--12-31Q3falseP3Y00017861080001786108trin:RentalAndLeasingServicesMember2022-09-300001786108trin:EgomotionCorporationMemberus-gaap:SeriesAPreferredStockMemberus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:RetailTradeMemberus-gaap:CommonStockMembertrin:Super73IncMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:ControlInvestmentsMember2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:MiyokosKitchenMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:HologramMembertrin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-12-310001786108trin:DrinkpakLlcMembertrin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:UtilitiesMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembercountry:CAtrin:InveniaIncMember2022-01-012022-09-300001786108trin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108us-gaap:PrimeRateMember2022-01-012022-09-300001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingFourMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:RetailTradeMembertrin:GobbleIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:RigettiAndCoIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMembertrin:InformationMember2021-01-012021-12-310001786108us-gaap:FairValueInputsLevel3Member2020-12-310001786108trin:NextCarHoldingCompanyIncMembertrin:RentalAndLeasingServicesMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:SmartlyIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtFourMembercountry:US2022-01-012022-09-3000017861082021-01-012021-12-310001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:AxiomSpaceIncMembertrin:SpaceResearchAndTechnologyMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:SunBasketIncMember2021-01-012021-12-3100017861082021-10-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesBPreferredStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:EdeniqIncMember2022-01-012022-09-3000017861082021-09-300001786108country:UStrin:AgricultureForestryFishingAndHuntingMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:LondonInterbankOfferedRateLIBORMembertrin:CreditSuisseCreditFacilityMember2020-01-092020-01-090001786108trin:ManagementOfCompaniesAndEnterprisesMember2022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtFiveMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembertrin:BestowIncMembercountry:US2022-01-012022-09-300001786108trin:SecuredDebtOneMembertrin:QuipNYCIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingFiveMember2022-01-012022-09-300001786108trin:DynamicsIncMembertrin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:SecuredDebtOneMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMemberus-gaap:RealEstateSectorMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:WholesaleTradeMember2021-12-310001786108trin:PetalCardIncMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputMaturityMembertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2022-09-300001786108trin:RetailTradeMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:Super73IncMember2021-01-012021-12-310001786108trin:WarrantInvestmentTwoMemberus-gaap:SeriesCPreferredStockMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:TMRWLifeSciencesIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:RetainedEarningsMember2021-07-012021-09-300001786108us-gaap:DebtSecuritiesMemberus-gaap:ConstructionMember2021-12-310001786108trin:StoreIntelligenceIncMembertrin:AffiliateInvestmentsMember2020-12-310001786108us-gaap:SecuritiesInvestmentMember2022-09-300001786108trin:ThreeDEOIncMemberus-gaap:CommonStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:MainspringEnergyIncMembertrin:ManufacturingMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:AgricultureForestryFishingAndHuntingMembertrin:BoweryFarmingIncMember2022-01-012022-09-300001786108trin:UtilitiesMembertrin:SecuredDebtFourMembercountry:CAtrin:InveniaIncMember2022-09-300001786108trin:AlediaIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembersrt:EuropeMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:SecuredDebtOneMembertrin:RetailTradeMembertrin:GobbleIncMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108us-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2021-12-310001786108trin:SeniorSecuritiesMembertrin:December2026NotesMember2021-01-012021-12-310001786108trin:EquipmentFinancingTwoMembertrin:ZosanoPharmaCorporationMemberus-gaap:DebtSecuritiesMembertrin:PharmaceuticalMember2021-01-012021-12-310001786108trin:MaxwellFinancialLabsIncMemberus-gaap:CommonStockMembertrin:RentalAndLeasingServicesMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108trin:MarchFifteenTwoThousandTwentyTwoQuarterlyMember2022-01-012022-09-300001786108trin:HealthAdeLlcMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-12-310001786108us-gaap:WarrantMembertrin:ManufacturingMembersrt:EuropeMember2022-09-300001786108trin:ControlInvestmentsMembertrin:EdeniqIncMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:SeriesDPreferredStockMembertrin:LucidworksIncMemberus-gaap:WarrantMembertrin:InformationMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:VerticalCommunicationsIncMembertrin:ManufacturingMember2022-09-300001786108us-gaap:MeasurementInputRiskFreeInterestRateMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:EquityMembertrin:RigettiAndCoIncMemberus-gaap:CommonStockMembercountry:UStrin:InformationMember2022-09-3000017861082021-01-012021-03-310001786108us-gaap:SecuredDebtMembertrin:AxiomSpaceIncMembertrin:SpaceResearchAndTechnologyMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:InformationMembersrt:EuropeMember2022-09-300001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:AgricultureForestryFishingAndHuntingMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2021-12-310001786108trin:EmergyIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:US2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2022-01-012022-09-300001786108trin:DandelionEnergyIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMemberus-gaap:ConstructionMember2021-01-012021-12-310001786108trin:EquipmentFinancingTwoMembertrin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMemberus-gaap:ConstructionMember2021-12-310001786108trin:AxiomSpaceIncMembertrin:SpaceResearchAndTechnologyMemberus-gaap:CommonStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:PrimeRateMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembertrin:KnockawayIncMemberus-gaap:RealEstateSectorMember2021-01-012021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:BoardREIncMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingThreeMembertrin:ManufacturingMember2021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:SeriesAPreferredStockMembercountry:USus-gaap:WarrantMembertrin:EveralbumIncMembertrin:InformationMember2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:UStrin:MainspringEnergyIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:ReciprocityIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:PharmaceuticalMember2022-09-300001786108trin:SeniorSecuritiesMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SunBasketIncMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtFiveMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:FernishedIncMembertrin:RetailTradeMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:MiyokosKitchenMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-09-300001786108us-gaap:EquityMemberus-gaap:SeriesCPreferredStockMembertrin:ProfessionalScientificAndTechnicalServicesMembercountry:UStrin:EdeniqIncMember2022-09-300001786108us-gaap:AdditionalPaidInCapitalMember2022-06-300001786108trin:EquipmentFinancingTwoMembertrin:MolekuleIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:IncontextSolutionsIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:EmergyIncMemberus-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesBPreferredStockMember2021-12-310001786108srt:MaximumMemberus-gaap:EquityFundsMemberus-gaap:MeasurementInputMaturityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:VitaCupIncMembertrin:WarrantInvestmentsMemberus-gaap:SeriesCPreferredStockMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108trin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembertrin:UtilitiesMembertrin:InveniaIncMember2021-12-310001786108trin:WholesaleTradeMembertrin:GrandpadIncMemberus-gaap:DebtSecuritiesMember2021-12-310001786108us-gaap:EquitySecuritiesMember2022-09-300001786108trin:EgomotionCorporationMemberus-gaap:SeriesAPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:EquityMembertrin:TaranaWirelessIncMembercountry:UStrin:PreferredSeries6Membertrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:UStrin:ArtsEntertainmentAndRecreationMemberus-gaap:WarrantMembertrin:SITicketsIncMember2022-01-012022-09-300001786108us-gaap:ConstructionMember2022-09-300001786108trin:HealthAdeLlcMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembertrin:ManufacturingMember2021-12-310001786108trin:ValuationTechniqueOtherMembersrt:MaximumMembertrin:MeasurementInputProbabilityWeightingOfAlternativeOutcomesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMember2022-09-300001786108trin:PrestoAutomationIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:CrowdtapIncMemberus-gaap:SeriesBPreferredStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:SeniorSecuritiesMemberus-gaap:ConvertibleNotesPayableMember2020-01-012020-12-310001786108trin:AllSpaceNetworksLimitedMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembersrt:EuropeMembertrin:InformationMember2022-01-012022-09-300001786108trin:SecuredLoansMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300001786108us-gaap:EquityMembertrin:FernishedIncMembertrin:RetailTradeMembertrin:PreferredSeriesB1Member2021-01-012021-12-310001786108trin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMemberus-gaap:ConstructionMember2021-12-310001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembertrin:RentalAndLeasingServicesMembercountry:UStrin:EquipmentShareIncMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:CrowdtapIncMemberus-gaap:SeriesBPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:WhipNetworksIncMembertrin:InformationMember2021-01-012021-12-310001786108us-gaap:MeasurementInputRevenueMultipleMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMember2022-09-300001786108trin:EscrowReceivableMemberus-gaap:FairValueInputsLevel3Member2022-01-012022-09-300001786108trin:AxiomSpaceIncMembertrin:SpaceResearchAndTechnologyMembertrin:ConvertibleNotesMembercountry:US2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:EternevaIncMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:OrchardTechnologiesIncMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:LarkTechnologiesIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:HealthCareAndSocialAssistanceMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:AllSeatedIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:WholesaleTradeMembertrin:BaubleBarIncMemberus-gaap:WarrantMember2021-12-310001786108trin:DaringFoodsIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:FemTecHealthIncMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108us-gaap:PrimeRateMembertrin:RetailTradeMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:Super73IncMember2021-01-012021-12-310001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingThreeMembertrin:ManufacturingMember2022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:US2022-01-012022-09-300001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMembertrin:EquipmentFinancingFourMember2021-01-012021-12-310001786108trin:EmergyIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMember2022-09-300001786108trin:HealthCareAndSocialAssistanceMemberus-gaap:WarrantMember2021-12-310001786108trin:KnockawayIncMemberus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2021-12-310001786108trin:PetalCardIncMembertrin:SecuredDebtOneMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMemberus-gaap:RealEstateSectorMember2021-12-310001786108trin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembertrin:MiyokosKitchenMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:HermeusCorporationMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:TaranaWirelessIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:FootprintInternationalHoldingIncMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembertrin:ExerHoldingsLLCMember2021-12-310001786108trin:EquipmentFinancingTwoMemberus-gaap:DebtSecuritiesMembertrin:MiyokosKitchenMembertrin:ManufacturingMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:GtxcelIncMemberus-gaap:SeriesCPreferredStockMemberus-gaap:WarrantMembertrin:InformationMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:CommonStockMemberus-gaap:WarrantMembertrin:ExerHoldingsLLCMember2021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:CAtrin:NexiiBuildingSolutionsIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:EquipmentFinancingSixMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:EquipmentFinancingTwoMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:ReciprocityIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:QwickIncMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:MolekuleIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108us-gaap:SeriesCPreferredStockMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:WarrantInvestmentThreeMembercountry:USus-gaap:WarrantMembertrin:EdeniqIncMember2022-01-012022-09-300001786108country:UStrin:EducationalServicesMemberus-gaap:WarrantMember2022-09-300001786108trin:MeasurementInputRevenueMultipleOnlyMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108us-gaap:EquityMembertrin:HealthCareAndSocialAssistanceMember2021-12-310001786108trin:EquipmentFinancingTwoMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembertrin:EquipmentShareIncMember2021-01-012021-12-310001786108trin:SecuredDebtOneMembertrin:BoardREIncMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:SBGLabsIncMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMemberus-gaap:ConstructionMember2021-01-012021-12-310001786108trin:SecuredDebtOneMembertrin:UtilitiesMemberus-gaap:DebtSecuritiesMembertrin:InveniaIncMember2021-12-310001786108us-gaap:EquityMembertrin:DynamicsIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesAPreferredStockMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:DaringFoodsIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:RigettiAndCoIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-09-300001786108trin:GreenlightBiosciencesIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:GreenlightBiosciencesIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:HermeusCorporationMembertrin:ManufacturingMember2022-09-300001786108trin:RigettiAndCoIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:InformationMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:QwickIncMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:AllSpaceNetworksLimitedMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembersrt:EuropeMembertrin:InformationMember2022-09-300001786108us-gaap:RetainedEarningsMember2021-06-300001786108trin:StiltIncMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:RobotanyIncMembercountry:UStrin:AgricultureForestryFishingAndHuntingMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:PrestoAutomationIncMembertrin:ProfessionalScientificAndTechnicalServicesMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:RetailTradeMemberus-gaap:DebtSecuritiesMember2021-12-310001786108us-gaap:DebtSecuritiesMembersrt:EuropeMember2022-09-300001786108trin:ThreeDEOIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:EquipmentFinancingNineMembertrin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:December2026NotesMemberus-gaap:UnsecuredDebtMember2021-12-150001786108srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMembertrin:MeasurementInputCompanySpecificAdjustmentMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108us-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Member2021-01-012021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:SeriesCPreferredStockMembertrin:RetailTradeMembercountry:UStrin:MadisonReedIncMemberus-gaap:WarrantMember2022-09-300001786108trin:MolekuleIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:UStrin:ManufacturingMember2022-09-300001786108us-gaap:EquityMemberus-gaap:CommonStockMembercountry:UStrin:NexiiBuildingSolutionsIncMembertrin:ManufacturingMember2022-09-300001786108trin:ZosanoPharmaCorporationMemberus-gaap:DebtSecuritiesMembertrin:PharmaceuticalMembertrin:EquipmentFinancingThreeMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:MainspringEnergyIncMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:SevenPointZeroZeroNotesDue2025Member2022-09-300001786108us-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputMaturityMembersrt:WeightedAverageMemberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EducationalServicesMember2021-12-310001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:RetailTradeMembertrin:PortofinoLabsIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:RetailTradeMemberus-gaap:SecuredDebtMembertrin:GobbleIncMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:WholesaleTradeMembertrin:GrandpadIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:US2022-01-012022-09-300001786108country:CA2022-09-300001786108trin:GobiquityIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:InformationMember2021-12-310001786108trin:MeasurementInputHypotheticalMarketYieldMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2021-12-310001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:HermeusCorporationMembertrin:ManufacturingMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:PreferredSeriesX1Membertrin:KnockawayIncMembercountry:USus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:HospitalistsNowIncMembercountry:UStrin:SeriesD2PreferredStockMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:LarkTechnologiesIncMemberus-gaap:CommonStockMembertrin:HealthCareAndSocialAssistanceMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108trin:SeaonGlobalLlcMemberus-gaap:DebtSecuritiesMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembertrin:EquipmentFinancingMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentTwoMemberus-gaap:CommonStockMembercountry:UStrin:MainspringEnergyIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:FootprintInternationalHoldingIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:LarkTechnologiesIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:PreferredSeriesX1Membertrin:KnockawayIncMembercountry:USus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2022-01-012022-09-300001786108us-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:MeasurementInputPriceVolatilityMembertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2022-09-300001786108trin:ThreeDEOIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputPriceVolatilityMembersrt:WeightedAverageMemberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SecuredDebtFourMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:FootprintInternationalHoldingIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembertrin:InformationMember2021-12-310001786108trin:ViaPhotonIncMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:RetailTradeMemberus-gaap:CommonStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:MadisonReedIncMember2022-09-300001786108trin:KeyBankCreditFacilityMember2022-07-012022-09-300001786108trin:MaxwellFinancialLabsIncMembertrin:RentalAndLeasingServicesMemberus-gaap:WarrantMember2021-12-310001786108trin:EquipmentFinancingTwoMembertrin:MolekuleIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMemberus-gaap:RealEstateSectorMember2021-01-012021-12-310001786108us-gaap:RetainedEarningsMember2022-06-300001786108trin:EquipmentFinancingThirteenMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ArtsEntertainmentAndRecreationMembertrin:SITicketsIncMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:RetailTradeMemberus-gaap:CommonStockMembercountry:UStrin:Super73IncMemberus-gaap:WarrantMember2022-09-300001786108trin:PetalCardIncMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:MolekuleIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EquipmentFinancingTenMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:JuneFifteenTwoThousandTwentyTwoQuarterlyMember2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:Hut8HoldingsIncMembertrin:InformationMember2021-12-310001786108us-gaap:SecuredDebtMembertrin:RetailTradeMembertrin:UnTuckItIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:StratifydIncMembertrin:SeriesB2PreferredStockMemberus-gaap:WarrantMembertrin:InformationMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:FootprintInternationalHoldingIncMembertrin:ManufacturingMember2021-12-310001786108trin:ZuumTransportationIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-01-012021-12-310001786108trin:PetalCardIncMembertrin:SecuredDebtOneMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:NextCarHoldingCompanyIncMemberus-gaap:SecuredDebtMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:RobotanyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:AgricultureForestryFishingAndHuntingMember2022-09-300001786108trin:MaxwellFinancialLabsIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:US2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SpacePerspectiveIncMemberus-gaap:BaseRateMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:NextCarHoldingCompanyIncMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300001786108trin:AllSpaceNetworksLimitedMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembersrt:EuropeMembertrin:InformationMember2022-01-012022-09-300001786108trin:AffiliateInvestmentsMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:CrowdtapIncMemberus-gaap:WarrantMember2021-12-310001786108trin:WarrantInvestmentSixMembertrin:SeriesA1PreferredStockMembertrin:SBGLabsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:EquityMembertrin:SpaceResearchAndTechnologyMember2021-12-310001786108us-gaap:SeriesCPreferredStockMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:WarrantInvestmentThreeMemberus-gaap:WarrantMembertrin:EdeniqIncMember2021-01-012021-12-310001786108trin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembertrin:WhipNetworksIncMembertrin:InformationMember2021-01-012021-12-310001786108trin:AgricultureForestryFishingAndHuntingMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ExerHoldingsLLCMember2022-09-300001786108trin:EscrowReceivableMemberus-gaap:FairValueInputsLevel3Member2021-01-012021-12-310001786108trin:NextCarHoldingCompanyIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SecuredDebtSixMemberus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembercountry:USus-gaap:SeriesBPreferredStockMemberus-gaap:WarrantMember2022-09-300001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingFourMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:SixPointZeroZeroPercentageConvertibleNotesDueTwoThousandTwentyFiveMember2020-12-110001786108trin:WarrantInvestmentsMemberus-gaap:SeriesAPreferredStockMembertrin:EveralbumIncMemberus-gaap:WarrantMembertrin:InformationMember2021-01-012021-12-310001786108trin:StoreIntelligenceIncMembertrin:AffiliateInvestmentsMember2021-12-310001786108us-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:SeriesAPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108trin:CommonwealthFusionSystemsLLCMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:US2022-01-012022-09-300001786108trin:MaxwellFinancialLabsIncMemberus-gaap:SecuredDebtMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:ZenDriveIncMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:TwoThousandTwentyFiveNotesMember2022-07-012022-09-300001786108trin:EquipmentFinancingTwoMembertrin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:SeniorSecuritiesMemberus-gaap:ConvertibleNotesPayableMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembercountry:US2022-09-300001786108trin:ManufacturingMember2021-12-310001786108trin:SecuredDebtOneMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:ReciprocityIncMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:ControlInvestmentsMembertrin:VerticalCommunicationsIncMember2021-01-012021-12-310001786108trin:ControlInvestmentsMembertrin:WorkWellPreventionAndCareIncMember2020-12-310001786108trin:WarrantInvestmentsMembertrin:FernishedIncMembertrin:RetailTradeMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:MainspringEnergyIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:SeniorSecuritiesMembertrin:TwoThousandTwentyFiveNotesMember2022-09-300001786108us-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesDPreferredStockMembertrin:EdeniqIncMember2021-12-310001786108us-gaap:CommonStockMembercountry:UStrin:FootprintInternationalHoldingIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108srt:MaximumMemberus-gaap:MeasurementInputRevenueMultipleMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:DynamicsIncMemberus-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesAPreferredStockMembercountry:US2022-09-300001786108trin:EquipmentFinancingTwoMemberus-gaap:DebtSecuritiesMembertrin:EternevaIncMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:GtxcelIncMemberus-gaap:SeriesDPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:InformationMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:HappiestBabyIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SunBasketIncMember2022-09-300001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingFiveMember2021-12-310001786108us-gaap:PrimeRateMembertrin:GrabitInteractiveMediaIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentFourMembertrin:SBGLabsIncMembertrin:PreferredSeriesA1Membercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:DeerfieldImagingHoldingsIncMembertrin:ManufacturingMember2022-09-3000017861082022-04-012022-06-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2022-09-300001786108trin:SixPointZeroZeroPercentageConvertibleNotesDueTwoThousandTwentyFiveMember2021-01-012021-09-300001786108srt:MinimumMemberus-gaap:MeasurementInputMaturityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:UStrin:BolbIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:EducationalServicesMemberus-gaap:WarrantMember2021-12-310001786108trin:GroupNineMediaIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-01-012021-12-310001786108trin:WarrantInvestmentTwoMembertrin:PetalCardIncMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EqisCapitalManagementIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:EmergyIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:SeriesCPreferredStockMembertrin:RetailTradeMemberus-gaap:WarrantMembertrin:MadisonReedIncMember2021-12-310001786108trin:PetalCardIncMembertrin:FinanceAndInsuranceMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:US2022-09-300001786108us-gaap:SecuredDebtMembertrin:QwickIncMemberus-gaap:DebtSecuritiesMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMember2021-12-310001786108trin:August2026NotesMemberus-gaap:UnsecuredDebtMember2021-08-240001786108trin:WholesaleTradeMember2022-09-300001786108trin:SecuredDebtOneMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:TransportationAndWarehousingMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:CAtrin:GoForIndustriesIncMember2022-01-012022-09-300001786108trin:UtilitiesMembercountry:USus-gaap:WarrantMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:TaranaWirelessIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:RTSHoldingIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMember2021-01-012021-12-310001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:EquipmentFinancingEightMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108us-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Member2021-12-310001786108trin:WarrantInvestmentsMembertrin:ThreeDEOIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingThreeMembertrin:ManufacturingMember2022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:EducationalServicesMembertrin:MedicalSalesTrainingHoldingCompanyMember2021-01-012021-12-310001786108us-gaap:RetainedEarningsMember2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:QwickIncMemberus-gaap:DebtSecuritiesMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMember2021-01-012021-12-310001786108trin:WarrantInvestmentTwoMembertrin:PetalCardIncMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-12-310001786108trin:AllSeatedIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:SeniorSecuritiesMemberus-gaap:ConvertibleNotesPayableMember2022-09-300001786108trin:HiPowerLLCMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:HiPowerLLCMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMember2021-01-012021-12-310001786108trin:RetailTradeMember2022-09-300001786108us-gaap:PrimeRateMembertrin:PetalCardIncMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:FinanceAndInsuranceMemberus-gaap:CommonStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingFiveMembercountry:US2022-09-300001786108trin:HiPowerLLCMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:SixPointZeroZeroPercentageConvertibleNotesDueTwoThousandTwentyFiveMemberus-gaap:CommonStockMember2020-12-102020-12-110001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-12-310001786108us-gaap:CommonStockMembertrin:AgricultureForestryFishingAndHuntingMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2021-12-310001786108trin:AlediaIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingThreeMembertrin:ManufacturingMembersrt:EuropeMember2022-01-012022-09-300001786108trin:EquipmentFinancingFifteenMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:PreferredSeriesA1Membertrin:SBGLabsIncMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:EquipmentFinancingElevenMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:ZuumTransportationIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-01-012022-09-300001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingFourMembertrin:ManufacturingMember2022-09-300001786108us-gaap:RealEstateMember2022-09-300001786108us-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:MatterportIncMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:RetailTradeMemberus-gaap:DebtSecuritiesMembertrin:Super73IncMember2021-12-310001786108us-gaap:UnsecuredDebtMembertrin:TwoThousandTwentyFiveNotesMember2020-01-290001786108trin:NextCarHoldingCompanyIncMemberus-gaap:PrimeRateMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:US2022-01-012022-09-300001786108trin:RetailTradeMemberus-gaap:DebtSecuritiesMembertrin:Super73IncMember2021-12-310001786108trin:FinanceAndInsuranceMember2022-09-300001786108trin:ControlInvestmentsMembertrin:WorkWellPreventionAndCareIncMember2022-09-300001786108trin:ThreeDEOIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:TransportationAndWarehousingMemberus-gaap:EquityMemberus-gaap:PreferredStockMembertrin:QGoForHoldingsLpMembercountry:US2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMembertrin:MedicalSalesTrainingHoldingCompanyMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:UnTuckItIncMembertrin:SpaceResearchAndTechnologyMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:RigettiAndCoIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembertrin:InformationMember2021-12-310001786108us-gaap:EquityMembertrin:ConvertibleNotesMembercountry:UStrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2022-09-300001786108trin:CreditSuisseCreditFacilityMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:NomadHealthIncMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108us-gaap:FairValueMeasurementsRecurringMember2021-12-310001786108trin:MeasurementInputOriginationMarketYieldMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Membertrin:ValuationTechniqueOriginatedWithinPastThreeMonthsMemberus-gaap:DebtMember2022-09-300001786108trin:NextCarHoldingCompanyIncMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:US2022-09-300001786108trin:UnderwritersMember2022-04-072022-04-070001786108trin:YellowbrickLearningIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:EducationalServicesMember2021-01-012021-12-310001786108trin:AmbientPhotronicsIncMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:UtilitiesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:FernishedIncMembertrin:RetailTradeMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:MolekuleIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:QwickIncMemberus-gaap:CommonStockMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:ZenDriveIncMembercountry:US2022-01-012022-09-300001786108trin:RigettiAndCoIncMemberus-gaap:PrimeRateMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-01-012022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:FormationTransactionsMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:AxiomSpaceIncMemberus-gaap:CommonStockMembertrin:SpaceResearchAndTechnologyMemberus-gaap:WarrantMember2021-12-310001786108trin:EquipmentFinancingThirteenMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:December2026NotesMember2021-12-142021-12-150001786108trin:SeniorSecuritiesMembertrin:KeyBankCreditFacilityMember2021-12-310001786108country:UStrin:ProjectFrogIncMemberus-gaap:ConstructionMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:EquityMembercountry:USus-gaap:ConstructionMembertrin:ProjectFrogIncMember2022-09-300001786108trin:NextCarHoldingCompanyIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtFourMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:SecuredDebtOneMembertrin:RetailTradeMembertrin:PortofinoLabsIncMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:DandelionEnergyIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMember2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:SeriesDPreferredStockMembertrin:LucidworksIncMemberus-gaap:WarrantMembertrin:InformationMember2021-01-012021-12-310001786108trin:MolekuleIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:NonControlNonAffiliateInvestmentsMember2022-09-300001786108trin:MiyokosKitchenMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembertrin:ManufacturingMember2021-12-310001786108trin:EquityOfferingMember2022-08-182022-08-180001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:SmartlyIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMembertrin:EquipmentFinancingThreeMember2022-01-012022-09-300001786108trin:AgricultureForestryFishingAndHuntingMember2021-12-310001786108srt:MaximumMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:CeptonTechnologiesIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:ViaPhotonIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:YellowbrickLearningIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMember2022-09-300001786108trin:LarkTechnologiesIncMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesBPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:EdeniqIncMember2021-12-310001786108trin:PortofinoLabsIncMembertrin:RetailTradeMemberus-gaap:CommonStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:ReciprocityIncMember2021-12-310001786108trin:SixPointZeroZeroPercentageConvertibleNotesDueTwoThousandTwentyFiveMember2021-01-012021-01-310001786108trin:EquipmentFinancingTwoMembertrin:HealthAdeLlcMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:WholesaleTradeMembertrin:WarrantInvestmentsMembertrin:BaubleBarIncMemberus-gaap:WarrantMember2021-12-310001786108trin:LarkTechnologiesIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ExerHoldingsLLCMember2022-01-012022-09-300001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:MeasurementInputHypotheticalMarketYieldMemberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:WarrantInvestmentsMembertrin:RentalAndLeasingServicesMemberus-gaap:SeriesAPreferredStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:MaxwellFinancialLabsIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:SecuredDebtOneMembertrin:QuipNYCIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:MolekuleIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingThreeMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:IncontextSolutionsIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108us-gaap:AdditionalPaidInCapitalMemberus-gaap:AccountingStandardsUpdate202006Member2020-12-310001786108us-gaap:MeasurementInputRiskFreeInterestRateMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:ZenDriveIncMembercountry:USus-gaap:WarrantMember2022-09-300001786108us-gaap:EquityMembertrin:KnockawayIncMembertrin:PreferredSeriesYMemberus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMembertrin:BoardREIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108us-gaap:PrimeRateMembertrin:LarkTechnologiesIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMember2021-01-012021-12-310001786108trin:GreenlightBiosciencesIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:QuipNYCIncMembertrin:PreferredSeriesA1Membercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:MarchTwentyThreeTwoThousandTwentyOneMember2022-09-300001786108trin:RTSHoldingIncMembertrin:WarrantInvestmentsMemberus-gaap:SeriesCPreferredStockMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:WarrantInvestmentTwoMemberus-gaap:CommonStockMembercountry:UStrin:FootprintInternationalHoldingIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembercountry:USus-gaap:ConstructionMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:EquityMembertrin:PreferredSeriesPMembertrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:SeriesCPreferredStockMembertrin:RetailTradeMembertrin:MadisonReedIncMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:EquipmentFinancingTwoMembertrin:MolekuleIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108us-gaap:EquityMembertrin:StoreIntelligenceIncMemberus-gaap:SeriesAPreferredStockMembertrin:ManufacturingMember2021-01-012021-12-3100017861082022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:FiggIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMembertrin:InformationMember2021-01-012021-12-310001786108trin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentShareIncMember2021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:RetailTradeMemberus-gaap:DebtSecuritiesMembercountry:UStrin:Super73IncMember2022-01-012022-09-300001786108us-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Member2022-09-300001786108trin:VitaCupIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:MolekuleIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingThreeMembertrin:ManufacturingMember2021-12-310001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:ZenDriveIncMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:WanderjauntIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMemberus-gaap:RealEstateSectorMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:SeriesAPreferredStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108trin:AthleticBrewingCompanyLLCMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:TwoThousandTwentyFiveNotesMember2020-01-162020-01-160001786108srt:MaximumMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:EgomotionCorporationMemberus-gaap:SeriesAPreferredStockMemberus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2021-12-310001786108trin:TrinityCapitalHoldingsMember2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:MiyokosKitchenMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:DynamicsIncMemberus-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesAPreferredStockMember2021-12-310001786108trin:RetailTradeMembertrin:PortofinoLabsIncMemberus-gaap:CommonStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001786108trin:AthleticBrewingCompanyLLCMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:WarrantInvestmentFourMemberus-gaap:SeriesDPreferredStockMembercountry:USus-gaap:WarrantMembertrin:EdeniqIncMember2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentShareIncMember2021-12-310001786108trin:LarkTechnologiesIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:CeptonTechnologiesIncMembertrin:ManufacturingMember2022-09-300001786108trin:WarrantInvestmentTwoMemberus-gaap:CommonStockMembercountry:UStrin:FootprintInternationalHoldingIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:WholesaleTradeMembertrin:WarrantInvestmentsMembertrin:GrubMarketIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:GreenlightBiosciencesIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:AdministrativeAndSupportAndWasteManagementAndRemediationMemberus-gaap:WarrantMember2021-12-310001786108trin:RigettiAndCoIncMembertrin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:CrowdtapIncMemberus-gaap:SeriesBPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:AgricultureForestryFishingAndHuntingMembertrin:BoweryFarmingIncMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:HiPowerLLCMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembertrin:WhipNetworksIncMembertrin:InformationMember2021-12-310001786108trin:PortofinoLabsIncMembertrin:RetailTradeMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PruvitVenturesIncMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:LarkTechnologiesIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001786108trin:AmbientPhotronicsIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:UtilitiesMembercountry:US2022-01-012022-09-300001786108trin:RTSHoldingIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:CAtrin:NexiiBuildingSolutionsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:KnockawayIncMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108us-gaap:RetainedEarningsMember2020-12-310001786108trin:WarrantInvestmentsMember2021-12-310001786108trin:VitaCupIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:ZosanoPharmaCorporationMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembertrin:PharmaceuticalMember2021-01-012021-12-310001786108trin:GobiquityIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:InformationMember2021-01-012021-12-310001786108trin:SeriesC1PreferredStockMembertrin:WarrantInvestmentsMembertrin:MolekuleIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:WarrantMember2022-09-300001786108trin:VitaCupIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:LarkTechnologiesIncMemberus-gaap:CommonStockMembertrin:HealthCareAndSocialAssistanceMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:WarrantMembertrin:MeasurementInputCompanySpecificAdjustmentMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:SeniorSecuritiesMembertrin:KeyBankCreditFacilityMember2021-01-012021-12-310001786108trin:SeriesC1PreferredStockMembertrin:WarrantInvestmentsMembertrin:RapidMinerIncMembercountry:USus-gaap:WarrantMembertrin:InformationMember2022-09-300001786108trin:TwoThousandTwentyFiveNotesMember2021-07-012021-09-300001786108us-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108country:UStrin:ArtsEntertainmentAndRecreationMemberus-gaap:WarrantMember2022-09-300001786108trin:OtherServicesExceptPublicAdministrationMember2022-09-300001786108srt:MaximumMemberus-gaap:MeasurementInputMaturityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:QwickIncMemberus-gaap:DebtSecuritiesMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:US2022-01-012022-09-300001786108trin:RigettiAndCoIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-01-012021-12-310001786108trin:WarrantInvestmentThreeMembertrin:SBGLabsIncMembertrin:PreferredSeriesA1Membercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:MarchFifteenTwoThousandTwentyTwoQuarterlyMember2022-09-300001786108trin:LarkTechnologiesIncMemberus-gaap:CommonStockMembercountry:UStrin:HealthCareAndSocialAssistanceMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:AugustTenTwoThousandTwentyMember2022-01-012022-09-300001786108srt:MaximumMemberus-gaap:EquityFundsMemberus-gaap:MeasurementInputMaturityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:EquityMemberus-gaap:CommonStockMembercountry:UStrin:NexiiBuildingSolutionsIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:NexiiBuildingSolutionsIncMembercountry:CAus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:RigettiAndCoIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMembertrin:InformationMember2021-12-310001786108trin:RigettiAndCoIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-01-012022-09-300001786108trin:SeriesA1PreferredStockMembertrin:SBGLabsIncMembertrin:WarrantInvestmentFiveMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108trin:RetailTradeMembercountry:UStrin:MadisonReedIncMemberus-gaap:WarrantMember2022-09-300001786108trin:ControlInvestmentsMembertrin:QGoForHoldingsLpMember2022-09-300001786108trin:GtxcelIncMemberus-gaap:SeriesDPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:InformationMember2021-12-310001786108srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputPriceVolatilityMembertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:PrimeRateMembertrin:PetalCardIncMembertrin:FinanceAndInsuranceMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:ProjectFrogIncMemberus-gaap:ConstructionMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:AgricultureForestryFishingAndHuntingMembertrin:BoweryFarmingIncMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:FireflySystemsIncMembertrin:InformationMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:VerticalCommunicationsIncMembercountry:USus-gaap:SeriesAPreferredStockMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:QuipNYCIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:WarrantInvestmentThreeMembertrin:SeriesA1PreferredStockMembertrin:SBGLabsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108trin:HappiestBabyIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:UnderwritersMember2022-08-182022-08-180001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:MainspringEnergyIncMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:EquityMembertrin:QuipNYCIncMembercountry:UStrin:PreferredSeriesB1Membertrin:ManufacturingMember2022-09-300001786108us-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMembertrin:MedicalSalesTrainingHoldingCompanyMember2022-09-300001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EqisCapitalManagementIncMembercountry:USus-gaap:WarrantMemberus-gaap:PreferredClassBMember2022-01-012022-09-300001786108trin:SeptemberThirteenTwoThousandTwentyOneMember2022-09-300001786108trin:SoutheastAmericaMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesBPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:EdeniqIncMember2021-01-012021-12-310001786108country:USus-gaap:ConstructionMemberus-gaap:WarrantMember2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:AlediaIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMembersrt:EuropeMember2022-09-300001786108us-gaap:EquityMembertrin:HealthCareAndSocialAssistanceMembercountry:UStrin:WorkWellPreventionAndCareIncMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:TheFynderGroupIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:EquipmentFinancingNineMembertrin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMember2022-09-300001786108srt:MaximumMembertrin:MeasurementInputProbabilityWeightingOfAlternativeOutcomesMemberus-gaap:EquityFundsMembertrin:ScenarioAnalysisMemberus-gaap:FairValueInputsLevel3Member2022-09-300001786108trin:ControlInvestmentsMembertrin:WorkWellPreventionAndCareIncMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMembertrin:MedicalSalesTrainingHoldingCompanyMember2022-01-012022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembertrin:BestowIncMembercountry:US2022-01-012022-09-300001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMembertrin:LarkTechnologiesIncMemberus-gaap:CommonStockMembercountry:UStrin:HealthCareAndSocialAssistanceMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:HiPowerLLCMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:PreferredSeriesA1Membertrin:SBGLabsIncMembertrin:WarrantInvestmentFiveMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:MeasurementInputRevenueMultipleMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:RetailTradeMembertrin:PortofinoLabsIncMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108us-gaap:FairValueMeasurementsRecurringMember2022-09-300001786108trin:HealthAdeLlcMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-01-012021-12-310001786108trin:LarkTechnologiesIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-09-300001786108srt:MaximumMemberus-gaap:MeasurementInputMaturityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:PetalCardIncMembertrin:SecuredDebtOneMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:ZosanoPharmaCorporationMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:PharmaceuticalMember2021-01-012021-12-310001786108srt:MaximumMembertrin:MeasurementInputProbabilityWeightingOfAlternativeOutcomesMembertrin:ScenarioAnalysisMemberus-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:SeriesDPreferredStockMembercountry:UStrin:LucidworksIncMemberus-gaap:WarrantMembertrin:InformationMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembercountry:USus-gaap:SeriesBPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMember2021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:AxiomSpaceIncMemberus-gaap:DebtSecuritiesMembertrin:SpaceResearchAndTechnologyMembercountry:US2022-01-012022-09-300001786108trin:HappiestBabyIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:WarrantInvestmentFourMembertrin:PreferredSeriesA1Membertrin:SBGLabsIncMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:US2022-09-300001786108trin:YellowbrickLearningIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:EducationalServicesMember2021-12-310001786108us-gaap:PrimeRateMembertrin:PetalCardIncMembertrin:FinanceAndInsuranceMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:TrendlyIncMembertrin:WarrantInvestmentsMembertrin:RetailTradeMemberus-gaap:SeriesAPreferredStockMemberus-gaap:WarrantMember2021-12-310001786108trin:FemTecHealthIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:Hut8HoldingsIncMembertrin:InformationMember2021-01-012021-12-310001786108trin:ControlInvestmentsMember2022-01-012022-09-300001786108us-gaap:FairValueInputsLevel3Membertrin:SecuredLoansMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001786108trin:ChandlerOfficeMember2022-01-012022-09-300001786108trin:WarrantInvestmentTwoMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:SeriesAPreferredStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:NextCarHoldingCompanyIncMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtSixMembercountry:US2022-09-300001786108trin:MaxwellFinancialLabsIncMemberus-gaap:CommonStockMembertrin:RentalAndLeasingServicesMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:HospitalistsNowIncMembercountry:UStrin:SeriesD2PreferredStockMemberus-gaap:WarrantMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:PharmaceuticalMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:NexiiBuildingSolutionsIncMembertrin:ManufacturingMember2021-01-012021-12-310001786108country:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:KeyBankCreditFacilityMember2021-10-270001786108us-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EdeniqIncMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:TwoThousandTwentyFiveNotesMember2020-01-160001786108trin:WarrantInvestmentsMembertrin:RetailTradeMemberus-gaap:CommonStockMembertrin:MadisonReedIncMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:GreenlightBiosciencesIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingThreeMember2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:UStrin:BolbIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:ViaPhotonIncMembertrin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:MeasurementInputRiskFreeInterestRateMembersrt:MinimumMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtSevenMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:US2022-01-012022-09-300001786108trin:StratifydIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-01-012022-09-300001786108us-gaap:PrimeRateMembertrin:RigettiAndCoIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembertrin:InformationMember2021-01-012021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingFourMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:NexiiBuildingSolutionsIncMemberus-gaap:BaseRateMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:PruvitVenturesIncMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:August2026NotesMembertrin:SeniorSecuritiesMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:TaranaWirelessIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:KnockawayIncMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMemberus-gaap:RealEstateSectorMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:AlediaIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembertrin:ManufacturingMembersrt:EuropeMember2022-09-300001786108us-gaap:EquityMembertrin:PreferredSeriesCCMembertrin:ProjectFrogIncMemberus-gaap:ConstructionMember2021-12-310001786108trin:PetalCardIncMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembercountry:US2022-09-300001786108us-gaap:CommonStockMembertrin:KnockawayIncMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:WarrantMember2021-12-310001786108trin:ControlInvestmentsMember2021-12-310001786108trin:AmbientPhotronicsIncMembertrin:WarrantInvestmentsMembertrin:UtilitiesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:ZenDriveIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SecuredDebtFourMember2022-01-012022-09-300001786108trin:JuneFifteenTwoThousandTwentyTwoSupplementalMember2022-09-300001786108trin:FernishedIncMembertrin:RetailTradeMemberus-gaap:DebtSecuritiesMember2021-12-310001786108us-gaap:EquityMembercountry:UStrin:HealthCareAndSocialAssistanceMember2022-09-300001786108trin:WarrantInvestmentTwoMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PreferredSeriesAA1Membertrin:ELaCarteMemberus-gaap:WarrantMember2021-12-310001786108trin:AffiliateInvestmentsMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:TaranaWirelessIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:EquityMemberus-gaap:ConstructionMember2021-12-310001786108trin:UtilitiesMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtFourMembertrin:InveniaIncMember2021-01-012021-12-310001786108trin:MaxwellFinancialLabsIncMemberus-gaap:EquityMembertrin:PreferredSeriesYMemberus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108us-gaap:CommonStockMembercountry:USus-gaap:ConstructionMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMemberus-gaap:RealEstateSectorMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembertrin:UtilitiesMembertrin:InveniaIncMember2021-12-310001786108trin:WholesaleTradeMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMembertrin:MolekuleIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:StratifydIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-09-300001786108trin:MeasurementInputHypotheticalMarketYieldMemberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2021-12-310001786108trin:WholesaleTradeMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:GroupNineMediaIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-12-310001786108us-gaap:DebtSecuritiesMembertrin:UtilitiesMembercountry:US2022-09-300001786108country:UStrin:FootprintInternationalHoldingIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:EquityMemberus-gaap:CommonStockMembertrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2021-01-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:EquityInterestsMembertrin:PrivateOfferingsMember2020-01-162020-01-160001786108trin:ControlInvestmentsMembertrin:WorkWellPreventionAndCareIncMember2022-01-012022-09-300001786108trin:WarrantInvestmentTwoMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:SeriesAPreferredStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:WholesaleTradeMemberus-gaap:SeriesCPreferredStockMembertrin:BaubleBarIncMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:CeptonTechnologiesIncMembertrin:ManufacturingMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:EgomotionCorporationMemberus-gaap:SeriesAPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:EquityMembertrin:HadrianIncMembertrin:PreferredA4Membercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:MarchTwentyThreeTwoThousandTwentyOneMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:PreferredSeriesPMembercountry:UStrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2022-01-012022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:ReciprocityIncMember2021-01-012021-12-310001786108trin:TMRWLifeSciencesIncMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:NextCarHoldingCompanyIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:August2026NotesMember2021-01-012021-09-300001786108trin:December2026NotesMember2022-01-012022-09-300001786108trin:SellingSharesAtPricesBelowThenCurrentNetAssetValuePerShareMember2022-01-012022-09-300001786108srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputMaturityMembertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:QwickIncMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:StratifydIncMembertrin:SeriesB2PreferredStockMemberus-gaap:WarrantMembertrin:InformationMember2021-01-012021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ArtsEntertainmentAndRecreationMembertrin:SITicketsIncMember2022-01-012022-09-300001786108trin:MidwestAmericaMember2022-09-300001786108trin:EgomotionCorporationMemberus-gaap:SeriesAPreferredStockMembercountry:USus-gaap:RealEstateSectorMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108trin:ATMProgramMember2021-12-310001786108us-gaap:EquityMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:US2022-09-300001786108us-gaap:CommonStockMembertrin:AgricultureForestryFishingAndHuntingMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2021-01-012021-12-310001786108trin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentShareIncMembertrin:EquipmentFinancingThreeMember2021-01-012021-12-310001786108trin:RetailTradeMembertrin:PortofinoLabsIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:EquityMembertrin:TaranaWirelessIncMembercountry:UStrin:PreferredSeries6Membertrin:ManufacturingMember2022-09-300001786108trin:EmergyIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:US2022-01-012022-09-300001786108trin:EquipmentFinancingEightMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:RigettiAndCoIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-12-310001786108trin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ExerHoldingsLLCMember2022-09-300001786108us-gaap:ConstructionMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:ZenDriveIncMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:MaxwellFinancialLabsIncMemberus-gaap:SecuredDebtMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:SeptemberFifteenTwoThousandTwentyTwoQuarterlyMember2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:UStrin:AgricultureForestryFishingAndHuntingMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:BolbIncMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:RealEstateSectorMemberus-gaap:WarrantMember2021-12-310001786108trin:WholesaleTradeMemberus-gaap:SecuredDebtMembertrin:BaubleBarIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:SpaceResearchAndTechnologyMemberus-gaap:DebtSecuritiesMember2021-12-310001786108us-gaap:SecuredDebtMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:PebblePostIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:FemTecHealthIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMember2021-12-310001786108trin:EquipmentFinancingNineMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:LegacyFundsMembertrin:PrivateOfferingsMember2020-01-162020-01-160001786108trin:ProfessionalScientificAndTechnicalServicesMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:JuneFifteenTwoThousandTwentyTwoQuarterlyMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMembertrin:BoardREIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:CAtrin:NexiiBuildingSolutionsIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:NexiiBuildingSolutionsIncMembercountry:CAtrin:ManufacturingMember2022-09-300001786108trin:SeniorSecuritiesMembertrin:TwoThousandTwentyFiveNotesMember2021-12-310001786108us-gaap:EquityMembertrin:LarkTechnologiesIncMemberus-gaap:SeriesDPreferredStockMembertrin:HealthCareAndSocialAssistanceMember2021-01-012021-12-310001786108trin:RetailTradeMemberus-gaap:CommonStockMembertrin:GobbleIncMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:EquityMembertrin:RentalAndLeasingServicesMembercountry:US2022-09-300001786108trin:TwoThousandNineteenLongTermIncentivePlanMember2022-09-300001786108trin:ControlInvestmentsMembertrin:EdeniqIncMember2022-09-3000017861082021-01-290001786108trin:NextCarHoldingCompanyIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMember2021-01-012021-12-310001786108trin:SeriesC1PreferredStockMembertrin:WarrantInvestmentsMembertrin:RapidMinerIncMembercountry:USus-gaap:WarrantMembertrin:InformationMember2022-01-012022-09-300001786108trin:EquipmentFinancingSixMembertrin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:HadrianAutomationIncMembertrin:ManufacturingMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:HospitalistsNowIncMembertrin:SeriesD2PreferredStockMemberus-gaap:WarrantMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:ReciprocityIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108trin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentShareIncMembertrin:EquipmentFinancingThreeMember2021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingTwelveMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembertrin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:ConvertibleNotesMember2021-12-310001786108trin:GreenlightBiosciencesIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-01-012021-12-310001786108trin:EquipmentFinancingTwoMembertrin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:RinseIncMembertrin:OtherServicesExceptPublicAdministrationMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:FemTecHealthIncMembertrin:AffiliateInvestmentsMember2022-09-300001786108trin:StiltIncMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:ATMProgramMember2022-09-300001786108us-gaap:MeasurementInputRevenueMultipleMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:SBGLabsIncMembertrin:PreferredSeriesA1Membercountry:USus-gaap:WarrantMembertrin:WarrantInvestmentEightMembertrin:ManufacturingMember2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:EducationalServicesMemberus-gaap:WarrantMembertrin:MedicalSalesTrainingHoldingCompanyMember2021-01-012021-12-310001786108trin:WarrantInvestmentSixMembertrin:PreferredSeriesA1Membertrin:SBGLabsIncMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:WarrantInvestmentSevenMembertrin:SBGLabsIncMembertrin:PreferredSeriesA1Membercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:PrimeRateMembertrin:SmartlyIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SecuredDebtFourMember2022-04-012022-09-300001786108us-gaap:DebtSecuritiesMember2021-12-310001786108trin:GoldmanSachsFinancialSquareGovernmentInstitutionalFundMemberus-gaap:CashAndCashEquivalentsMember2022-09-300001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMembertrin:QuipNYCIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:RetailTradeMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:Super73IncMember2022-09-300001786108trin:AthleticBrewingCompanyLLCMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtSevenMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesBPreferredStockMembercountry:UStrin:EdeniqIncMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:ZosanoPharmaCorporationMemberus-gaap:CommonStockMembercountry:UStrin:PharmaceuticalMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembertrin:ExerHoldingsLLCMember2021-01-012021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:NomadHealthIncMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:PrestoAutomationIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:KnockawayIncMemberus-gaap:RealEstateSectorMember2021-01-012021-12-310001786108trin:AffiliateInvestmentsMember2022-09-3000017861082021-04-012021-06-300001786108us-gaap:PrimeRateMembertrin:YellowbrickLearningIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:EducationalServicesMember2021-01-012021-12-310001786108us-gaap:MeasurementInputRiskFreeInterestRateMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:RigettiAndCoIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:RTSHoldingIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:US2022-01-012022-09-300001786108trin:CreditSuisseCreditFacilityMember2021-01-012021-09-300001786108trin:EquipmentFinancingFifteenMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:EquipmentShareIncMember2021-12-310001786108trin:MeasurementInputProbabilityWeightingOfAlternativeOutcomesMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2021-12-310001786108trin:StratifydIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMembertrin:InformationMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:NexiiBuildingSolutionsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ExerHoldingsLLCMember2022-01-012022-09-300001786108trin:IncontextSolutionsIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:MainspringEnergyIncMembertrin:ManufacturingMember2021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:NexiiBuildingSolutionsIncMembercountry:CAus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:MeasurementInputRevenueMultipleOnlyMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:SeriesA1PreferredStockMembertrin:SBGLabsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:SeriesAPreferredStockMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:DebtSecuritiesMembertrin:RobotanyIncMembertrin:EquipmentFinancingMembertrin:AgricultureForestryFishingAndHuntingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:SeriesA1PreferredStockMembertrin:SBGLabsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:CommonStockMember2022-06-300001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:US2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:UStrin:EquipmentShareIncMembertrin:EquipmentFinancingThreeMember2022-09-300001786108us-gaap:EquityMemberus-gaap:RealEstateSectorMember2021-12-310001786108us-gaap:FairValueInputsLevel3Membertrin:BlackScholesOptionPricingModelMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:WarrantMember2021-12-310001786108trin:RentalAndLeasingServicesMember2021-12-310001786108trin:WarrantInvestmentsMembercountry:USus-gaap:SeriesAPreferredStockMembertrin:EveralbumIncMemberus-gaap:WarrantMembertrin:InformationMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:RentalAndLeasingServicesMember2021-12-310001786108trin:NextCarHoldingCompanyIncMemberus-gaap:PrimeRateMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembertrin:RentalAndLeasingServicesMembercountry:US2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:RetailTradeMembertrin:UnTuckItIncMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:NextCarHoldingCompanyIncMembertrin:WarrantInvestmentThreeMembertrin:RentalAndLeasingServicesMembercountry:USus-gaap:SeriesAPreferredStockMemberus-gaap:WarrantMember2022-01-012022-09-300001786108us-gaap:MeasurementInputRevenueMultipleMemberus-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SpacePerspectiveIncMembertrin:ManufacturingMember2022-09-300001786108trin:RetailTradeMemberus-gaap:SecuredDebtMembertrin:PortofinoLabsIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:TwoThousandNineteenRestrictedStockPlanMember2022-09-300001786108us-gaap:FairValueInputsLevel3Membertrin:EquipmentFinancingMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300001786108trin:RetailTradeMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:EquityMemberus-gaap:CommonStockMemberus-gaap:ConstructionMembertrin:ProjectFrogIncMember2021-12-310001786108us-gaap:SecuredDebtMembertrin:QuipNYCIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:TwoThousandTwentyFiveNotesMember2022-01-012022-09-300001786108srt:MaximumMembertrin:MeasurementInputOriginationMarketYieldMemberus-gaap:FairValueInputsLevel3Membertrin:ValuationTechniqueOriginatedWithinPastThreeMonthsMemberus-gaap:DebtMember2022-09-300001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingFourMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:FootprintInternationalHoldingIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:CrowdtapIncMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:ZosanoPharmaCorporationMemberus-gaap:DebtSecuritiesMembertrin:PharmaceuticalMembertrin:EquipmentFinancingThreeMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:CrowdtapIncMembercountry:USus-gaap:SeriesBPreferredStockMemberus-gaap:WarrantMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:PreferredSeriesCCMembercountry:UStrin:ProjectFrogIncMemberus-gaap:ConstructionMember2022-09-300001786108us-gaap:CommonStockMembertrin:MainspringEnergyIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:AlediaIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembersrt:EuropeMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:MolekuleIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingThreeMembertrin:ManufacturingMember2022-09-300001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:MainspringEnergyIncMembertrin:ManufacturingMember2021-12-310001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtOneMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:ControlInvestmentsMembertrin:BirchboxIncMember2020-12-310001786108trin:SecuredDebtFiveMemberus-gaap:DebtSecuritiesMembertrin:UtilitiesMembercountry:CAtrin:InveniaIncMember2022-01-012022-09-300001786108trin:TwoThousandNineteenRestrictedStockPlanMember2021-09-300001786108trin:ZosanoPharmaCorporationMemberus-gaap:DebtSecuritiesMembertrin:PharmaceuticalMembertrin:EquipmentFinancingFourMember2021-12-310001786108trin:FemTecIncMembertrin:AffiliateInvestmentsMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:LarkTechnologiesIncMemberus-gaap:CommonStockMembertrin:HealthCareAndSocialAssistanceMemberus-gaap:WarrantMember2021-12-310001786108trin:NotesDue2025Member2022-01-012022-09-300001786108trin:CreditSuisseCreditFacilityMember2021-12-310001786108trin:ControlInvestmentsMembertrin:BirchboxIncMember2021-01-012021-12-310001786108trin:SmuleIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:HospitalistsNowIncMembertrin:SeriesD2PreferredStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:PetalCardIncMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108us-gaap:EquityMembertrin:ConvertibleNotesMembertrin:HealthCareAndSocialAssistanceMembercountry:UStrin:WorkWellPreventionAndCareIncMember2022-01-012022-09-300001786108trin:EquipmentFinancingTwoMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:PetalCardIncMembertrin:SecuredDebtOneMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:SunBasketIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:CommonStockMembercountry:UStrin:FootprintInternationalHoldingIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:FemTecHealthIncMemberus-gaap:CommonStockMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-09-300001786108trin:EmergyIncMemberus-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesBPreferredStockMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:IncontextSolutionsIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:CommonStockMembercountry:UStrin:AgricultureForestryFishingAndHuntingMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2022-01-012022-09-300001786108trin:RigettiAndCoIncMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembertrin:InformationMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:EquipmentFinancingEightMembertrin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:NortheastAmericaMember2022-09-300001786108us-gaap:EquityMembercountry:UStrin:ProjectFrogIncMemberus-gaap:ConstructionMembertrin:PreferredSeriesBBMember2022-09-300001786108trin:WarrantInvestmentTwoMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PreferredSeriesAA1Membertrin:ELaCarteMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMemberus-gaap:WarrantMembertrin:FireflySystemsIncMembertrin:InformationMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:RetailTradeMembertrin:PortofinoLabsIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:StiltIncMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:ZuumTransportationIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMemberus-gaap:BaseRateMembertrin:InformationMember2021-01-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:ReciprocityIncMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:WhipNetworksIncMembertrin:InformationMember2021-12-310001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-01-012021-12-310001786108us-gaap:RetainedEarningsMember2021-09-300001786108trin:WarrantInvestmentsMembertrin:PebblePostIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:TheFynderGroupIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:December2026NotesMember2022-07-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:ELaCarteMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:EquipmentFinancingTwoMemberus-gaap:DebtSecuritiesMembertrin:EternevaIncMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:SeriesA1PreferredStockMembertrin:SBGLabsIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:AxiomSpaceIncMembertrin:SpaceResearchAndTechnologyMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:QuipNYCIncMembertrin:SeriesA1PreferredStockMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108trin:WarrantInvestmentTwoMemberus-gaap:CommonStockMembertrin:AgricultureForestryFishingAndHuntingMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:UtilitiesMemberus-gaap:DebtSecuritiesMembertrin:InveniaIncMember2021-12-3100017861082021-01-012021-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:UStrin:EducationalServicesMemberus-gaap:WarrantMembertrin:MedicalSalesTrainingHoldingCompanyMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EqisCapitalManagementIncMembercountry:USus-gaap:WarrantMemberus-gaap:PreferredClassBMember2022-09-300001786108trin:WarrantInvestmentTwoMembertrin:NextCarHoldingCompanyIncMembertrin:RentalAndLeasingServicesMemberus-gaap:SeriesAPreferredStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:MaxwellFinancialLabsIncMembertrin:WarrantInvestmentTwoMemberus-gaap:CommonStockMembertrin:RentalAndLeasingServicesMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:AccommodationAndFoodServicesMembertrin:BlueGroundUSIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:CrowdtapIncMembercountry:USus-gaap:SeriesBPreferredStockMemberus-gaap:WarrantMember2022-09-300001786108trin:EquipmentFinancingSevenMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:SeniorSecuritiesMembertrin:TwoThousandTwentyFiveNotesMember2020-01-012020-12-310001786108us-gaap:MeasurementInputRiskFreeInterestRateMembersrt:MaximumMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMembertrin:MeasurementInputCompanySpecificAdjustmentMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:GtxcelIncMembercountry:USus-gaap:SeriesDPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:InformationMember2022-09-300001786108trin:DrinkpakLlcMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:TwoThousandNineteenLongTermIncentivePlanMember2022-01-012022-09-300001786108trin:ManufacturingMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:ELaCarteMemberus-gaap:SeriesAPreferredStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:MolekuleIncMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:PreferredSeries1Membertrin:ManufacturingMember2022-01-012022-09-300001786108trin:EquipmentFinancingEightMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:SecuredDebtMembertrin:SmartlyIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembercountry:UStrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2022-09-300001786108us-gaap:MeasurementInputDiscountForLackOfMarketabilityMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Membertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:EquityFundsMemberus-gaap:MeasurementInputMaturityMemberus-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:AgricultureForestryFishingAndHuntingMember2021-12-310001786108us-gaap:DebtSecuritiesMembersrt:EuropeMembertrin:ManufacturingMember2022-09-300001786108trin:MeasurementInputOriginationMarketYieldMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Membertrin:ValuationTechniqueOriginatedWithinPastThreeMonthsMemberus-gaap:DebtMember2021-12-310001786108us-gaap:PrimeRateMembertrin:GroupNineMediaIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-01-012021-12-310001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:CAtrin:NexiiBuildingSolutionsIncMemberus-gaap:BaseRateMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:RetailTradeMemberus-gaap:CommonStockMembertrin:PruvitVenturesIncMembercountry:US2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:SeriesBPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:SunBasketIncMemberus-gaap:WarrantMember2021-12-310001786108trin:HologramMembertrin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:MeasurementInputRevenueMultipleOnlyMemberus-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:CommonStockMembertrin:WarrantInvestmentOneMembertrin:NexiiBuildingSolutionsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:LarkTechnologiesIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:CeilingRateMembercountry:UStrin:HealthCareAndSocialAssistanceMember2022-09-300001786108trin:SecuredDebtOneMembertrin:RetailTradeMemberus-gaap:DebtSecuritiesMembertrin:Super73IncMember2021-01-012021-12-310001786108trin:GrabitInteractiveMediaIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:EquipmentFinancingTwoMembertrin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:ReciprocityIncMember2021-01-012021-12-310001786108trin:StiltIncMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:ResilincIncMembertrin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesAPreferredStockMemberus-gaap:WarrantMember2021-12-310001786108trin:EquipmentFinancingMember2022-09-300001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingThreeMembertrin:ManufacturingMember2021-12-310001786108us-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMember2021-12-310001786108trin:WarrantInvestmentTwoMemberus-gaap:CommonStockMembercountry:UStrin:AgricultureForestryFishingAndHuntingMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2022-09-300001786108trin:August2026NotesMember2021-08-242021-08-240001786108trin:SecuredDebtTwoMembertrin:UtilitiesMemberus-gaap:DebtSecuritiesMembertrin:InveniaIncMember2021-12-310001786108trin:SecuredLoansMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:IncontextSolutionsIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:ControlInvestmentsMembertrin:ProjectFrogIncMember2021-12-310001786108trin:TwoThousandNineteenRestrictedStockPlanMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:RetailTradeMembertrin:PortofinoLabsIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:ZosanoPharmaCorporationMemberus-gaap:CommonStockMembertrin:PharmaceuticalMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:DebtSecuritiesMemberus-gaap:RealEstateSectorMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:HappiestBabyIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108us-gaap:WarrantMembersrt:EuropeMember2022-09-300001786108trin:SeriesA1PreferredStockMembertrin:SBGLabsIncMembertrin:WarrantInvestmentFiveMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:EquityMembertrin:HadrianIncMembertrin:PreferredA4Membercountry:UStrin:ManufacturingMember2022-09-300001786108trin:SeriesC1PreferredStockMembertrin:WarrantInvestmentsMembertrin:RapidMinerIncMemberus-gaap:WarrantMembertrin:InformationMember2021-12-310001786108trin:CreditSuisseCreditFacilityMember2020-01-090001786108trin:AccommodationAndFoodServicesMembertrin:EquipmentFinancingSevenMembertrin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:MarchFifteenTwoThousandTwentyTwoSupplementalMember2022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembercountry:UStrin:ArtsEntertainmentAndRecreationMemberus-gaap:WarrantMembertrin:SITicketsIncMember2022-09-300001786108trin:HealthAdeLlcMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:CommonStockMembertrin:NexiiBuildingSolutionsIncMembertrin:ManufacturingMember2022-09-300001786108us-gaap:LondonInterbankOfferedRateLIBORMember2021-01-012021-12-310001786108trin:KnockawayIncMemberus-gaap:CommonStockMembercountry:USus-gaap:RealEstateSectorMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:CAtrin:NexiiBuildingSolutionsIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:SeniorSecuritiesMembertrin:December2026NotesMember2022-09-300001786108trin:SixPointZeroZeroPercentageConvertibleNotesDueTwoThousandTwentyFiveMember2022-01-012022-09-300001786108trin:BoostedECommerceIncMembertrin:WarrantInvestmentsMembertrin:RetailTradeMembertrin:PreferredSeriesA1Membercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:SixPointZeroZeroPercentageConvertibleNotesDueTwoThousandTwentyFiveMember2022-07-012022-09-300001786108trin:StiltIncMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:QwickIncMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:US2022-01-012022-09-300001786108us-gaap:EquityMembertrin:ConvertibleNotesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:EducationalServicesMemberus-gaap:WarrantMembertrin:MedicalSalesTrainingHoldingCompanyMember2021-12-310001786108us-gaap:EquityMemberus-gaap:CommonStockMembertrin:LucidMotorsIncMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembertrin:EquipmentShareIncMember2021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:US2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:WarrantInvestmentOneMembertrin:SunBasketIncMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:EquipmentFinancingMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300001786108trin:MaxwellFinancialLabsIncMemberus-gaap:EquityMembertrin:RentalAndLeasingServicesMemberus-gaap:SeriesBPreferredStockMember2021-01-012021-12-310001786108us-gaap:CommonStockMembercountry:UStrin:MainspringEnergyIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:MainspringEnergyIncMembertrin:ManufacturingMember2022-09-300001786108trin:MountainAmericaMember2021-12-310001786108trin:VitaCupIncMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:TwoThousandNineteenRestrictedStockPlanMember2021-01-012021-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:SeriesAPreferredStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:SeriesAPreferredStockMembercountry:UStrin:SpacePerspectiveIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:PhoenixOfficeMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:WarrantInvestmentFourMemberus-gaap:SeriesDPreferredStockMemberus-gaap:WarrantMembertrin:EdeniqIncMember2021-01-012021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingFiveMember2021-01-012021-12-310001786108trin:WholesaleTradeMemberus-gaap:SecuredDebtMembertrin:BaubleBarIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:ControlInvestmentsMembertrin:VerticalCommunicationsIncMember2020-12-310001786108us-gaap:CommonStockMember2021-06-300001786108trin:EquipmentFinancingTwoMembertrin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:MeasurementInputRiskFreeInterestRateMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Membertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2021-12-310001786108trin:AthleticBrewingCompanyLLCMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:ManufacturingMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:CeptonTechnologiesIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembertrin:UtilitiesMembercountry:CAtrin:InveniaIncMember2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMember2022-09-300001786108trin:MeasurementInputRevenueMultipleOnlyMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Membersrt:WeightedAverageMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:BestowIncMember2022-01-012022-09-300001786108trin:TheFynderGroupIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:WarrantInvestmentTwoMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:SeriesAPreferredStockMemberus-gaap:WarrantMember2021-12-310001786108trin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembertrin:EternevaIncMembercountry:UStrin:ManufacturingMember2022-09-300001786108us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001786108us-gaap:DebtSecuritiesMembertrin:KnockawayIncMembertrin:SecuredDebtTwoMemberus-gaap:RealEstateSectorMember2021-01-012021-12-310001786108trin:EquipmentFinancingTwoMemberus-gaap:DebtSecuritiesMembertrin:MiyokosKitchenMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:StoreIntelligenceIncMembertrin:ManufacturingMember2021-12-310001786108us-gaap:DebtSecuritiesMembertrin:EternevaIncMembertrin:EquipmentFinancingMembertrin:ManufacturingMember2021-12-310001786108trin:PetalCardIncMembertrin:FinanceAndInsuranceMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:SeniorSecuritiesMembertrin:KeyBankCreditFacilityMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:UtilitiesMembercountry:CAtrin:InveniaIncMember2022-09-300001786108us-gaap:PrimeRateMembertrin:LarkTechnologiesIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-01-012022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2021-01-012021-12-310001786108trin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMembertrin:EquipmentFinancingFourMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembercountry:USus-gaap:WarrantMembertrin:EdeniqIncMember2022-09-300001786108trin:RetailTradeMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:Super73IncMember2022-09-300001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingFiveMembertrin:ManufacturingMember2021-12-310001786108trin:AccommodationAndFoodServicesMembertrin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingFiveMembercountry:US2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembertrin:WhipNetworksIncMembertrin:InformationMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:HadrianAutomationIncMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMembertrin:HermeusCorporationMember2022-01-012022-09-300001786108srt:SouthAmericaMember2021-12-310001786108trin:TheFynderGroupIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:UStrin:ManufacturingMember2022-09-300001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EquipmentFinancingFourteenMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:SecuredDebtOneMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:RinseIncMembertrin:OtherServicesExceptPublicAdministrationMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:PrimeRateMembertrin:PetalCardIncMembertrin:SecuredDebtOneMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-09-300001786108trin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMemberus-gaap:ConstructionMember2021-12-310001786108trin:August2026NotesMembertrin:SeniorSecuritiesMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:HospitalistsNowIncMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:WarrantInvestmentFourMemberus-gaap:SeriesDPreferredStockMembercountry:USus-gaap:WarrantMembertrin:EdeniqIncMember2022-01-012022-09-300001786108trin:SecuredDebtOneMembertrin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMembertrin:ExerHoldingsLLCMember2022-01-012022-09-300001786108trin:WesternEuropeMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMember2021-12-310001786108us-gaap:DebtSecuritiesMembercountry:UStrin:AgricultureForestryFishingAndHuntingMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108us-gaap:MeasurementInputRiskFreeInterestRateMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:AccommodationAndFoodServicesMembertrin:EquipmentFinancingTwoMembertrin:BlueGroundUSIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMembertrin:PrestoAutomationIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:CommonwealthFusionSystemsLLCMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EquipmentFinancingTenMemberus-gaap:DebtSecuritiesMember2021-12-310001786108us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001786108trin:HappiestBabyIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingFiveMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:TheFynderGroupIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:MolekuleIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:ATMProgramMember2021-01-012021-12-310001786108trin:GreenlightBiosciencesIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:AgricultureForestryFishingAndHuntingMembertrin:BoweryFarmingIncMember2022-09-300001786108us-gaap:MeasurementInputRevenueMultipleMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:FemTecHealthIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-09-300001786108trin:DailyPayIncMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtFiveMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:EquipmentFinancingTwoMembertrin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:CreditSuisseCreditFacilityMember2020-01-092020-01-090001786108us-gaap:DebtSecuritiesMembertrin:UtilitiesMembertrin:EquipmentFinancingMembercountry:UStrin:ElectricHydrogenCoMember2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembertrin:FireflySystemsIncMembertrin:InformationMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMembertrin:KnockawayIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:MaxwellFinancialLabsIncMembertrin:RentalAndLeasingServicesMemberus-gaap:CommonStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:DebtSecuritiesMembercountry:CAtrin:Hut8HoldingsIncMembertrin:InformationMember2022-09-300001786108trin:SeniorSecuritiesMembertrin:TwoThousandTwentyFiveNotesMember2022-01-012022-09-300001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:WarrantInvestmentTwoMemberus-gaap:SeriesCPreferredStockMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:WarrantMembertrin:EdeniqIncMember2021-01-012021-12-310001786108trin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:WarrantInvestmentTwoMembercountry:USus-gaap:ConstructionMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:FernishedIncMembertrin:RetailTradeMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:DynamicsIncMembertrin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMembertrin:ReciprocityIncMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:AmbientPhotronicsIncMemberus-gaap:SecuredDebtMembertrin:UtilitiesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:GreenlightBiosciencesIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingThreeMember2022-01-012022-09-300001786108trin:MaxwellFinancialLabsIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:WarrantInvestmentTwoMemberus-gaap:ConstructionMembertrin:ProjectFrogIncMemberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMember2022-09-300001786108trin:ControlAndAffiliateInvestmentsMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:HappiestBabyIncMemberus-gaap:CommonStockMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:TwoThousandNineteenRestrictedStockPlanMember2021-12-310001786108trin:WanderjauntIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMembertrin:EquipmentFinancingThreeMember2022-01-012022-09-300001786108trin:EquipmentFinancingTwoMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentShareIncMember2022-09-300001786108trin:MarchFifteenTwoThousandTwentyTwoSupplementalMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:SlopeTechIncMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108us-gaap:EquityMembertrin:ConvertibleNotesMembertrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2021-12-310001786108trin:NextCarHoldingCompanyIncMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembertrin:SecuredDebtTwoMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMembertrin:RetailTradeMemberus-gaap:CommonStockMembertrin:Super73IncMemberus-gaap:WarrantMember2021-12-310001786108trin:PebblePostIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:WarrantInvestmentThreeMembertrin:SeriesA1PreferredStockMembertrin:SBGLabsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:LondonInterbankOfferedRateLIBORMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:ConvertibleNotesMembertrin:VerticalCommunicationsIncMembertrin:ManufacturingMember2021-12-310001786108trin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:AccommodationAndFoodServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108us-gaap:PrimeRateMembertrin:RigettiAndCoIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-01-012021-12-3100017861082022-09-300001786108trin:EquipmentFinancingThirteenMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:AxiomSpaceIncMemberus-gaap:CommonStockMembertrin:SpaceResearchAndTechnologyMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:ATMProgramMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:UtilitiesMembertrin:EquipmentFinancingMembercountry:UStrin:ElectricHydrogenCoMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EdeniqIncMember2022-09-300001786108us-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2020-12-310001786108us-gaap:PrimeRateMembertrin:StratifydIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-01-012021-12-310001786108trin:AccommodationAndFoodServicesMembertrin:BlueGroundUSIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:US2022-09-300001786108us-gaap:SeriesCPreferredStockMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:WarrantInvestmentThreeMemberus-gaap:WarrantMembertrin:EdeniqIncMember2021-12-310001786108trin:SeriesA1PreferredStockMembertrin:SBGLabsIncMembertrin:WarrantInvestmentEightMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:AgricultureForestryFishingAndHuntingMemberus-gaap:WarrantMembertrin:BoweryFarmingIncMember2021-01-012021-12-310001786108trin:YellowbrickLearningIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMember2022-01-012022-09-300001786108trin:SBGLabsIncMembertrin:PreferredSeriesA1Membertrin:WarrantInvestmentFiveMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:FernishedIncMembertrin:RetailTradeMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-01-012021-12-310001786108trin:AthleticBrewingCompanyLLCMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:DistributionReinvestmentPlanMember2022-07-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:US2022-01-012022-09-300001786108trin:MeasurementInputRevenueMultipleOnlyMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108srt:MaximumMemberus-gaap:FairValueInputsLevel3Membertrin:BlackScholesOptionPricingModelMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:WarrantMember2021-12-310001786108trin:ValuationTechniqueOtherMembertrin:MeasurementInputProbabilityWeightingOfAlternativeOutcomesMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMember2021-12-310001786108trin:UtilitiesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:CrowdtapIncMemberus-gaap:SeriesBPreferredStockMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:ZenDriveIncMember2021-01-012021-12-310001786108trin:ControlInvestmentsMembertrin:ProjectFrogIncMember2022-09-300001786108trin:RetailTradeMembertrin:PortofinoLabsIncMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:JuneFifteenTwoThousandTwentyOneMember2022-01-012022-09-300001786108trin:PharmaceuticalMember2021-12-310001786108us-gaap:LondonInterbankOfferedRateLIBORMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:AgricultureForestryFishingAndHuntingMembertrin:BoweryFarmingIncMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMembercountry:UStrin:EdeniqIncMember2022-09-300001786108us-gaap:CommonStockMembertrin:NexiiBuildingSolutionsIncMembertrin:WarrantInvestmentOneMembercountry:CAus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:MaxwellFinancialLabsIncMembertrin:WarrantInvestmentsMemberus-gaap:CommonStockMembertrin:RentalAndLeasingServicesMemberus-gaap:WarrantMember2021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-01-012021-12-310001786108trin:MeasurementInputProbabilityWeightingOfAlternativeOutcomesMembersrt:MinimumMembertrin:ScenarioAnalysisMemberus-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2022-09-300001786108trin:VitaCupIncMembertrin:WarrantInvestmentsMemberus-gaap:SeriesCPreferredStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:SmartlyIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:WanderjauntIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMemberus-gaap:RealEstateSectorMember2021-01-012021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMember2021-01-012021-12-310001786108us-gaap:MeasurementInputDiscountForLackOfMarketabilityMembersrt:MinimumMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:WhipNetworksIncMemberus-gaap:BaseRateMembertrin:InformationMember2021-01-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:HospitalistsNowIncMembercountry:UStrin:SeriesD2PreferredStockMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:CommonStockMember2021-12-310001786108us-gaap:PrimeRateMembertrin:PebblePostIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:ManagementOfCompaniesAndEnterprisesMemberus-gaap:WarrantMember2021-12-310001786108trin:NextCarHoldingCompanyIncMemberus-gaap:PrimeRateMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtFourMembercountry:US2022-01-012022-09-300001786108trin:MolekuleIncMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108us-gaap:DebtSecuritiesMembertrin:RobotanyIncMembertrin:EquipmentFinancingMembercountry:UStrin:AgricultureForestryFishingAndHuntingMember2022-01-012022-09-300001786108trin:TwoThousandTwentyFiveNotesMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:LarkTechnologiesIncMemberus-gaap:CommonStockMembertrin:HealthCareAndSocialAssistanceMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:KnockawayIncMembercountry:USus-gaap:RealEstateSectorMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:FinanceAndInsuranceMembercountry:UStrin:RealtyMogulCoMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:SeptemberFifteenTwoThousandTwentyTwoQuarterlyMember2022-01-012022-09-300001786108us-gaap:EquityMemberus-gaap:RealEstateSectorMember2022-09-300001786108trin:WholesaleTradeMemberus-gaap:SeriesCPreferredStockMembertrin:BaubleBarIncMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-09-300001786108us-gaap:PrimeRateMembertrin:AllSeatedIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:AmbientPhotronicsIncMembertrin:WarrantInvestmentsMembertrin:UtilitiesMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:TheFynderGroupIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:ManufacturingMember2022-09-3000017861082019-09-272019-09-270001786108trin:WanderjauntIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:USus-gaap:RealEstateSectorMember2022-09-300001786108trin:SeniorSecuritiesMembertrin:TwoThousandTwentyFiveNotesMember2021-01-012021-12-310001786108trin:PebblePostIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMemberus-gaap:BaseRateMembertrin:MedicalSalesTrainingHoldingCompanyMember2022-01-012022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembercountry:USus-gaap:WarrantMember2022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:NomadHealthIncMembercountry:US2022-09-300001786108us-gaap:EquityMembertrin:RTSHoldingIncMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:USus-gaap:SeriesDPreferredStockMember2022-09-300001786108trin:SeniorSecuritiesMembertrin:KeyBankCreditFacilityMember2022-09-300001786108us-gaap:EquityMembertrin:LarkTechnologiesIncMembertrin:HealthCareAndSocialAssistanceMemberus-gaap:SeriesDPreferredStockMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:KnockawayIncMemberus-gaap:RealEstateSectorMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108us-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMembercountry:USus-gaap:SeriesDPreferredStockMembertrin:EdeniqIncMember2022-09-300001786108trin:FemTecHealthIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:SeriesBPreferredStockMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingThreeMember2021-12-310001786108us-gaap:PrimeRateMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:SecuredDebtThreeMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:WarrantInvestmentsMembertrin:PreferredSeriesA1Membertrin:SBGLabsIncMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2021-12-310001786108trin:GtxcelIncMembercountry:USus-gaap:SeriesDPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMembertrin:InformationMember2022-01-012022-09-300001786108trin:WestAmericaMember2021-12-310001786108srt:MinimumMemberus-gaap:MeasurementInputMaturityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMemberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtFiveMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:SecuredDebtThreeMembertrin:UtilitiesMemberus-gaap:DebtSecuritiesMembertrin:InveniaIncMember2021-01-012021-12-310001786108trin:RigettiAndCoIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembercountry:USus-gaap:BaseRateMembertrin:InformationMember2022-01-012022-09-300001786108trin:PebblePostIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:RigettiAndCoIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembertrin:InformationMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:PetalCardIncMembertrin:FinanceAndInsuranceMemberus-gaap:SeriesBPreferredStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:UStrin:BolbIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:CreditSuisseCreditFacilityMembertrin:SeniorSecuritiesMember2021-01-012021-12-310001786108trin:ZuumTransportationIncMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:InformationMember2021-01-012021-12-310001786108trin:NextCarHoldingCompanyIncMembertrin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:RetailTradeMember2021-12-310001786108us-gaap:EquityMemberus-gaap:CommonStockMembertrin:HealthCareAndSocialAssistanceMembercountry:UStrin:WorkWellPreventionAndCareIncMember2022-01-012022-09-300001786108us-gaap:IPOMember2021-02-020001786108trin:FernishedIncMembertrin:RetailTradeMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMember2022-09-300001786108us-gaap:EquityMembertrin:FemTecIncMemberus-gaap:CommonStockMembertrin:HealthCareAndSocialAssistanceMember2021-12-310001786108trin:AdministrativeAndSupportAndWasteManagementAndRemediationMember2022-09-300001786108trin:AccommodationAndFoodServicesMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:QwickIncMembercountry:US2022-09-300001786108trin:PetalCardIncMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:WarrantInvestmentTwoMembertrin:PetalCardIncMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:EquityMembertrin:HealthCareAndSocialAssistanceMembertrin:WorkWellPreventionAndCareIncMember2021-12-310001786108us-gaap:DebtSecuritiesMembercountry:UStrin:FootprintInternationalHoldingIncMembertrin:ManufacturingMember2022-09-300001786108us-gaap:PrimeRateMembertrin:LarkTechnologiesIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMembercountry:US2022-01-012022-09-300001786108trin:YellowbrickLearningIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMember2022-09-300001786108srt:MinimumMember2022-01-012022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:RentalAndLeasingServicesMembercountry:USus-gaap:SeriesAPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:WarrantInvestmentsMemberus-gaap:SeriesCPreferredStockMembertrin:RinseIncMembertrin:OtherServicesExceptPublicAdministrationMembercountry:USus-gaap:WarrantMember2022-09-300001786108us-gaap:PrimeRateMembertrin:SecuredDebtOneMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108us-gaap:EquityMembertrin:SeriesAA1PreferredStockMembercountry:UStrin:ProjectFrogIncMemberus-gaap:ConstructionMember2022-01-012022-09-300001786108us-gaap:CommonStockMemberus-gaap:ConstructionMembertrin:ProjectFrogIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-3100017861082022-07-012022-09-300001786108trin:NextCarHoldingCompanyIncMemberus-gaap:DebtSecuritiesMembertrin:RentalAndLeasingServicesMembercountry:UStrin:SecuredDebtFourMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108us-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:FootprintInternationalHoldingIncMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembertrin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EducationalServicesMembertrin:MedicalSalesTrainingHoldingCompanyMember2022-09-300001786108trin:AccommodationAndFoodServicesMembertrin:BlueGroundUSIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMembercountry:US2022-01-012022-09-300001786108us-gaap:EquityMembertrin:AxiomSpaceIncMembertrin:SpaceResearchAndTechnologyMembertrin:ConvertibleNotesMember2021-12-310001786108trin:WarrantInvestmentFourMembertrin:SeriesA1PreferredStockMembertrin:SBGLabsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:YellowbrickLearningIncMemberus-gaap:CommonStockMembercountry:UStrin:EducationalServicesMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:CommonwealthFusionSystemsLLCMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-12-310001786108trin:WarrantInvestmentsMembertrin:GtxcelIncMemberus-gaap:SeriesCPreferredStockMembercountry:USus-gaap:WarrantMembertrin:InformationMember2022-09-300001786108trin:YellowbrickLearningIncMemberus-gaap:DebtSecuritiesMembertrin:EducationalServicesMember2021-12-310001786108trin:August2026NotesMember2021-08-240001786108trin:WholesaleTradeMembertrin:BaubleBarIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-12-310001786108trin:HealthAdeLlcMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembertrin:ManufacturingMember2021-01-012021-12-310001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SpacePerspectiveIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:FairValueInputsLevel3Memberus-gaap:DebtMember2022-01-012022-09-300001786108trin:RetailTradeMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:UtilityAssociatesIncMembercountry:USus-gaap:SeriesAPreferredStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:EmergyIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:US2022-09-300001786108us-gaap:EquityMembertrin:RigettiAndCoIncMembertrin:CommonStockOneMembercountry:UStrin:InformationMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:AxiomSpaceIncMembertrin:SpaceResearchAndTechnologyMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:EducationalServicesMembertrin:MedicalSalesTrainingHoldingCompanyMember2021-01-012021-12-310001786108us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300001786108trin:EquipmentFinancingNineMembertrin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMember2022-01-012022-09-300001786108trin:EquipmentFinancingNineMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:QwickIncMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:US2022-09-300001786108srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputPriceVolatilityMembertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2022-09-300001786108trin:EquipmentFinancingNineMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:PetalCardIncMembertrin:FinanceAndInsuranceMemberus-gaap:CommonStockMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:DistributionReinvestmentPlanMember2022-01-012022-09-300001786108trin:DandelionEnergyIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMember2022-01-012022-09-300001786108trin:FemTecHealthIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembertrin:HealthCareAndSocialAssistanceMember2021-01-012021-12-310001786108trin:MeasurementInputOriginationMarketYieldMemberus-gaap:FairValueInputsLevel3Membertrin:ValuationTechniqueOriginatedWithinPastThreeMonthsMemberus-gaap:DebtMembersrt:WeightedAverageMember2021-12-310001786108us-gaap:SecuredDebtMembertrin:QuipNYCIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-01-012022-09-300001786108trin:NextCarHoldingCompanyIncMembertrin:RentalAndLeasingServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SecuredDebtSixMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:WarrantInvestmentTwoMembertrin:PreferredSeriesA1Membertrin:SBGLabsIncMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:KnockawayIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-09-300001786108trin:AccommodationAndFoodServicesMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:QwickIncMembercountry:US2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMembertrin:KnockawayIncMemberus-gaap:SeriesBPreferredStockMemberus-gaap:RealEstateSectorMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:CommonwealthFusionSystemsLLCMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMember2021-12-310001786108trin:PhoenixOfficeMember2022-09-300001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingTwelveMember2021-12-310001786108trin:August2026NotesMembertrin:SeniorSecuritiesMember2021-01-012021-12-310001786108us-gaap:CommonStockMembercountry:CAtrin:WarrantInvestmentOneMembertrin:NexiiBuildingSolutionsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:KeyBankCreditFacilityMember2022-09-300001786108us-gaap:AdditionalPaidInCapitalMember2021-06-300001786108trin:SecuredDebtOneMembertrin:RetailTradeMembertrin:PortofinoLabsIncMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:StoreIntelligenceIncMembertrin:AffiliateInvestmentsMember2022-01-012022-09-3000017861082021-06-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:SpacePerspectiveIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:RetailTradeMemberus-gaap:CommonStockMembertrin:GobbleIncMembertrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2021-01-012021-12-310001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembertrin:AgricultureForestryFishingAndHuntingMembertrin:BoweryFarmingIncMember2021-01-012021-12-310001786108trin:AccommodationAndFoodServicesMembertrin:EquipmentFinancingEightMembertrin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:ControlInvestmentsMembertrin:ProjectFrogIncMember2020-12-310001786108us-gaap:FairValueInputsLevel3Membertrin:BlackScholesOptionPricingModelMembersrt:WeightedAverageMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:WarrantMember2021-12-310001786108trin:LarkTechnologiesIncMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembertrin:HealthCareAndSocialAssistanceMember2021-12-310001786108us-gaap:OverAllotmentOptionMember2020-01-292020-01-290001786108trin:KeyBankCreditFacilityMember2021-10-272021-10-270001786108us-gaap:MeasurementInputRiskFreeInterestRateMembersrt:MaximumMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:DeerfieldImagingHoldingsIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:EquityMember2021-12-310001786108trin:SpaceResearchAndTechnologyMember2022-09-300001786108trin:WarrantInvestmentsMembertrin:HappiestBabyIncMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:RealEstateMember2021-12-310001786108us-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Member2020-12-310001786108trin:FinanceAndInsuranceMemberus-gaap:CommonStockMembercountry:UStrin:WarrantInvestmentOneMemberus-gaap:WarrantMember2022-01-012022-09-300001786108trin:TransportationAndWarehousingMemberus-gaap:EquityMembertrin:ConvertibleNotesMembercountry:US2022-09-300001786108trin:KnockawayIncMemberus-gaap:DebtSecuritiesMemberus-gaap:RealEstateSectorMember2021-12-310001786108trin:ViaPhotonIncMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:ManufacturingMember2022-09-300001786108us-gaap:PrimeRateMembertrin:RetailTradeMembertrin:PortofinoLabsIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMember2021-01-012021-12-310001786108trin:MeasurementInputOriginationMarketYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:DebtMembertrin:ValuationTechniqueOriginatedWithinPastThreeMonthsMembersrt:WeightedAverageMember2022-09-300001786108srt:MinimumMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108us-gaap:EquitySecuritiesMember2021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingFourMember2022-09-300001786108trin:DailyPayIncMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMember2021-12-310001786108trin:DandelionEnergyIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:ConstructionMembertrin:EquipmentFinancingThreeMember2022-09-300001786108us-gaap:EquityMembercountry:USus-gaap:ConstructionMember2022-09-300001786108us-gaap:AdditionalPaidInCapitalMember2021-07-012021-09-300001786108us-gaap:EquityMembertrin:PreferredSeriesAA1Memberus-gaap:ConstructionMembertrin:ProjectFrogIncMember2021-12-310001786108trin:RigettiAndCoIncMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:ZenDriveIncMemberus-gaap:DebtSecuritiesMemberus-gaap:BaseRateMember2021-01-012021-12-310001786108trin:TMRWLifeSciencesIncMembertrin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMembercountry:USus-gaap:WarrantMemberus-gaap:PreferredClassAMember2022-01-012022-09-300001786108trin:DailyPayIncMemberus-gaap:PrimeRateMemberus-gaap:SecuredDebtMembertrin:FinanceAndInsuranceMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:FernishedIncMembertrin:RetailTradeMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMembercountry:US2022-09-300001786108trin:WarrantInvestmentTwoMembertrin:PreferredSeries2Membertrin:MolekuleIncMembercountry:USus-gaap:WarrantMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:DynamicsIncMembertrin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:CommonStockMemberus-gaap:WarrantMember2021-01-012021-12-310001786108trin:NortheastAmericaMember2021-12-310001786108trin:WholesaleTradeMembertrin:WarrantInvestmentsMemberus-gaap:SeriesCPreferredStockMembertrin:BaubleBarIncMembercountry:USus-gaap:WarrantMember2022-01-012022-09-300001786108trin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMembertrin:SecuredDebtTwoMembercountry:USus-gaap:RealEstateSectorMember2022-01-012022-09-300001786108trin:HealthAdeLlcMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108us-gaap:MeasurementInputRiskFreeInterestRateMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Membertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2022-09-300001786108trin:EquipmentFinancingTwoMemberus-gaap:DebtSecuritiesMembercountry:UStrin:HadrianAutomationIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108trin:QwickIncMemberus-gaap:DebtSecuritiesMembertrin:AdministrativeAndSupportAndWasteManagementAndRemediationMembercountry:US2022-09-300001786108trin:WarrantInvestmentsMembercountry:USus-gaap:SeriesAPreferredStockMembertrin:SpacePerspectiveIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2022-09-300001786108trin:EquipmentFinancingTwoMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingOneMember2021-01-012021-12-310001786108trin:AllSpaceNetworksLimitedMemberus-gaap:DebtSecuritiesMembertrin:InformationMembersrt:EuropeMember2022-09-300001786108trin:WarrantInvestmentFourMembertrin:SeriesA1PreferredStockMembertrin:SBGLabsIncMemberus-gaap:WarrantMembertrin:ManufacturingMember2021-12-310001786108trin:RetailTradeMemberus-gaap:CommonStockMembertrin:WarrantInvestmentOneMembertrin:MadisonReedIncMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:EquityMembercountry:CA2022-09-300001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingThreeMember2022-09-300001786108trin:PebblePostIncMemberus-gaap:SecuredDebtMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:US2022-09-300001786108trin:RigettiAndCoIncMemberus-gaap:PrimeRateMembertrin:SecuredDebtOneMemberus-gaap:DebtSecuritiesMembercountry:UStrin:InformationMember2022-01-012022-09-300001786108trin:EquipmentFinancingTwoMemberus-gaap:DebtSecuritiesMembertrin:FireflySystemsIncMembertrin:InformationMember2021-12-310001786108us-gaap:UnsecuredDebtMembertrin:TwoThousandTwentyFiveNotesMember2022-09-300001786108us-gaap:RestrictedStockMembertrin:TwoThousandNineteenRestrictedStockPlanMember2021-12-310001786108trin:SeptemberThirteenTwoThousandTwentyOneMember2022-01-012022-09-300001786108trin:FemTecIncMembertrin:AffiliateInvestmentsMember2021-01-012021-12-310001786108us-gaap:MeasurementInputRevenueMultipleMembersrt:MaximumMemberus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMember2021-12-310001786108us-gaap:EquityMembertrin:ManufacturingMember2021-12-310001786108trin:SecuredDebtOneMembertrin:OrchardTechnologiesIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMemberus-gaap:BaseRateMember2022-01-012022-09-300001786108trin:EmergyIncMemberus-gaap:EquityMembertrin:ProfessionalScientificAndTechnicalServicesMembercountry:USus-gaap:SeriesBPreferredStockMember2022-09-300001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMembertrin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:SixPointZeroZeroPercentageConvertibleNotesDueTwoThousandTwentyFiveMember2021-12-310001786108trin:DaringFoodsIncMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingThreeMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:SecuredDebtMembertrin:AxiomSpaceIncMembertrin:SpaceResearchAndTechnologyMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:RigettiAndCoIncMembertrin:SecuredDebtThreeMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:BaseRateMembertrin:InformationMember2022-01-012022-09-300001786108trin:HappiestBabyIncMembertrin:EquipmentFinancingOneMemberus-gaap:DebtSecuritiesMembertrin:ManufacturingMember2021-12-310001786108trin:CoreScientificIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMembercountry:UStrin:EquipmentFinancingThreeMember2022-09-300001786108us-gaap:RestrictedStockMembertrin:TwoThousandNineteenLongTermIncentivePlanMember2022-09-300001786108trin:EquipmentFinancingTwoMemberus-gaap:DebtSecuritiesMembertrin:FireflySystemsIncMembertrin:InformationMember2021-01-012021-12-310001786108trin:WarrantInvestmentsMembertrin:PortofinoLabsIncMembertrin:RetailTradeMemberus-gaap:CommonStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108trin:SecuredDebtOneMembertrin:KnockawayIncMemberus-gaap:DebtSecuritiesMembercountry:USus-gaap:RealEstateSectorMember2022-09-300001786108us-gaap:SecuredDebtMemberus-gaap:DebtSecuritiesMembercountry:UStrin:FootprintInternationalHoldingIncMembertrin:ManufacturingMember2022-01-012022-09-300001786108us-gaap:RestrictedStockMembertrin:TwoThousandNineteenLongTermIncentivePlanMember2021-12-310001786108trin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMembertrin:EquipmentFinancingTenMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108trin:PetalCardIncMembertrin:FinanceAndInsuranceMembertrin:SecuredDebtTwoMemberus-gaap:DebtSecuritiesMembercountry:US2022-01-012022-09-300001786108trin:ResilincIncMembertrin:WarrantInvestmentsMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:SeriesAPreferredStockMembercountry:USus-gaap:WarrantMember2022-09-300001786108srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:WarrantMembertrin:MeasurementInputCompanySpecificAdjustmentMemberus-gaap:MarketApproachValuationTechniqueMember2022-09-300001786108trin:EquipmentFinancingNineMembertrin:BackBlazeIncMembertrin:ProfessionalScientificAndTechnicalServicesMemberus-gaap:DebtSecuritiesMember2021-01-012021-12-310001786108srt:MinimumMember2022-09-300001786108trin:HealthCareAndSocialAssistanceMember2021-12-310001786108trin:ProfessionalScientificAndTechnicalServicesMembertrin:PendulumTherapeuticsIncMemberus-gaap:DebtSecuritiesMembertrin:EquipmentFinancingMember2021-01-012021-12-310001786108us-gaap:MeasurementInputDiscountForLackOfMarketabilityMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Membertrin:BlackScholesOptionPricingModelMemberus-gaap:WarrantMember2021-12-310001786108us-gaap:EquityMemberus-gaap:CommonStockMemberus-gaap:ConstructionMembertrin:ProjectFrogIncMember2021-01-012021-12-310001786108trin:ControlInvestmentsMember2022-09-30