v3.26.1
Consolidated Schedule of Investments - Schedule of Investments 2 (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Investment, cost $ 89,860,375 $ 89,914,530
Investments, market value, total 146,430 225,436
Investments, fair value $ 146,430 $ 225,436
Investment, Identifier [Axis]: CDIsRevasumIncSemiconductorEquipmentMember    
Investment, shares/par value (in shares) [1],[3] 39,774,889 [2] 39,774,889 [4]
Investment, cost [1],[3] $ 9,268,219 [2] $ 9,268,218 [4]
Investments, market value, total [1],[3] $ 0 [2] $ 0 [4]
Investment, shares/par value (in shares) [1],[3] 39,774,889 [2] 39,774,889 [4]
Investments, fair value [1],[3] $ 0 [2] $ 0 [4]
Investment, Identifier [Axis]: CDIsRevasumIncSemiconductorEquipmentMember | Maximum [Member]    
Acquisition date [1],[3] Oct. 03, 2022 [2] Oct. 03, 2022 [4]
Acquisition date [1],[3] Oct. 03, 2022 [2] Oct. 03, 2022 [4]
Investment, Identifier [Axis]: CDIsRevasumIncSemiconductorEquipmentMember | Minimum [Member]    
Acquisition date [1],[3] Nov. 14, 2016 [2] Nov. 14, 2016 [4]
Acquisition date [1],[3] Nov. 14, 2016 [2] Nov. 14, 2016 [4]
Investment, Identifier [Axis]: CommonStockUCTCoatingsIncAdvancedMaterialsMember    
Acquisition date [3],[5] Apr. 18, 2011 [6],[7] Apr. 18, 2011 [4],[8]
Investment, shares/par value (in shares) [3],[5] 1,500,000 [6],[7] 1,500,000 [4],[8]
Investment, cost [3],[5] $ 662,235 [6],[7] $ 662,235 [4],[8]
Investments, market value, total [3],[5] $ 143,560 [6],[7] $ 167,642 [4],[8]
Investment, shares/par value (in shares) [3],[5] 1,500,000 [6],[7] 1,500,000 [4],[8]
Acquisition date [3],[5] Apr. 18, 2011 [6],[7] Apr. 18, 2011 [4],[8]
Investments, fair value [3],[5] $ 143,560 [6],[7] $ 167,642 [4],[8]
Investment, Identifier [Axis]: CommonStockWrightspeedIncAutomotiveMember    
Acquisition date [1],[3] Jun. 07, 2019 [6],[7] Jun. 07, 2019 [4],[8]
Investment, shares/par value (in shares) [1],[3] 69,102 [6],[7] 69,102 [4],[8]
Investment, cost [1],[3] $ 7,460,850 [6],[7] $ 7,460,851 [4],[8]
Investments, market value, total [1],[3] $ 0 [6],[7] $ 0 [4],[8]
Investment, shares/par value (in shares) [1],[3] 69,102 [6],[7] 69,102 [4],[8]
Acquisition date [1],[3] Jun. 07, 2019 [6],[7] Jun. 07, 2019 [4],[8]
Investments, fair value [1],[3] $ 0 [6],[7] $ 0 [4],[8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteEightMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Feb. 27, 2020 [7] Feb. 27, 2020 [8]
Investment, shares/par value (in shares) [1],[4],[9] 1,000,000 [7] 1,000,000 [8]
Investment, cost [1],[4],[9] $ 1,000,000 [7] $ 1,000,000 [8]
Investments, market value, total [1],[4],[9] $ 27 [7] $ 55 [8]
Investment, shares/par value (in shares) [1],[4],[9] 1,000,000 [7] 1,000,000 [8]
Acquisition date [1],[4],[9] Feb. 27, 2020 [7] Feb. 27, 2020 [8]
Investments, fair value [1],[4],[9] $ 27 [7] $ 55 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteEighteenMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 15.00% [2],[7],[10] 15.00% [4],[8],[9]
Acquisition date [1] Jul. 16, 2021 [2],[7],[10] Jul. 16, 2021 [4],[8],[9]
Investment, shares/par value (in shares) [1] 500,000 [2],[7],[10] 500,000 [4],[8],[9]
Investment, cost [1] $ 500,000 [2],[7],[10] $ 500,000 [4],[8],[9]
Investments, market value, total [1] $ 14 [2],[7],[10] $ 27 [4],[8],[9]
Investment, shares/par value (in shares) [1] 500,000 [2],[7],[10] 500,000 [4],[8],[9]
Acquisition date [1] Jul. 16, 2021 [2],[7],[10] Jul. 16, 2021 [4],[8],[9]
Investments, fair value [1] $ 14 [2],[7],[10] $ 27 [4],[8],[9]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteElevenMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Mar. 30, 2022 [7] Mar. 30, 2022 [8]
Investment, shares/par value (in shares) [1],[4],[9] 150,000 [7] 150,000 [8]
Investment, cost [1],[4],[9] $ 150,000 [7] $ 150,000 [8]
Investments, market value, total [1],[4],[9] $ 4 [7] $ 8 [8]
Investment, shares/par value (in shares) [1],[4],[9] 150,000 [7] 150,000 [8]
Acquisition date [1],[4],[9] Mar. 30, 2022 [7] Mar. 30, 2022 [8]
Investments, fair value [1],[4],[9] $ 4 [7] $ 8 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteFifteenMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 15.00% [2],[7],[10] 15.00% [4],[8],[9]
Acquisition date [1] Jun. 10, 2021 [2],[7],[10] Jun. 10, 2021 [4],[8],[9]
Investment, shares/par value (in shares) [1] 500,000 [2],[7],[10] 500,000 [4],[8],[9]
Investment, cost [1] $ 500,000 [2],[7],[10] $ 500,000 [4],[8],[9]
Investments, market value, total [1] $ 14 [2],[7],[10] $ 28 [4],[8],[9]
Investment, shares/par value (in shares) [1] 500,000 [2],[7],[10] 500,000 [4],[8],[9]
Acquisition date [1] Jun. 10, 2021 [2],[7],[10] Jun. 10, 2021 [4],[8],[9]
Investments, fair value [1] $ 14 [2],[7],[10] $ 28 [4],[8],[9]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteFiveMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Nov. 12, 2021 [7] Nov. 12, 2021 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Investment, cost [1],[4],[9] $ 500,000 [7] $ 500,000 [8]
Investments, market value, total [1],[4],[9] $ 14 [7] $ 27 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Acquisition date [1],[4],[9] Nov. 12, 2021 [7] Nov. 12, 2021 [8]
Investments, fair value [1],[4],[9] $ 14 [7] $ 27 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteFourMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Oct. 06, 2021 [7] Oct. 06, 2021 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Investment, cost [1],[4],[9] $ 500,000 [7] $ 500,000 [8]
Investments, market value, total [1],[4],[9] $ 14 [7] $ 27 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Acquisition date [1],[4],[9] Oct. 06, 2021 [7] Oct. 06, 2021 [8]
Investments, fair value [1],[4],[9] $ 14 [7] $ 27 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteFourteenMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Apr. 06, 2022 [7] Apr. 06, 2022 [8]
Investment, shares/par value (in shares) [1],[4],[9] 350,000 [7] 350,000 [8]
Investment, cost [1],[4],[9] $ 350,000 [7] $ 350,000 [8]
Investments, market value, total [1],[4],[9] $ 9 [7] $ 19 [8]
Investment, shares/par value (in shares) [1],[4],[9] 350,000 [7] 350,000 [8]
Acquisition date [1],[4],[9] Apr. 06, 2022 [7] Apr. 06, 2022 [8]
Investments, fair value [1],[4],[9] $ 9 [7] $ 19 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteNineMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Feb. 28, 2022 [7] Feb. 28, 2022 [8]
Investment, shares/par value (in shares) [1],[4],[9] 200,000 [7] 200,000 [8]
Investment, cost [1],[4],[9] $ 200,000 [7] $ 200,000 [8]
Investments, market value, total [1],[4],[9] $ 5 [7] $ 11 [8]
Investment, shares/par value (in shares) [1],[4],[9] 200,000 [7] 200,000 [8]
Acquisition date [1],[4],[9] Feb. 28, 2022 [7] Feb. 28, 2022 [8]
Investments, fair value [1],[4],[9] $ 5 [7] $ 11 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteNineteenMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 15.00% [2],[7],[10] 15.00% [4],[8],[9]
Acquisition date [1] Jul. 31, 2020 [2],[7],[10] Jul. 31, 2020 [4],[8],[9]
Investment, shares/par value (in shares) [1] 500,000 [2],[7],[10] 500,000 [4],[8],[9]
Investment, cost [1] $ 500,000 [2],[7],[10] $ 500,000 [4],[8],[9]
Investments, market value, total [1] $ 14 [2],[7],[10] $ 28 [4],[8],[9]
Investment, shares/par value (in shares) [1] 500,000 [2],[7],[10] 500,000 [4],[8],[9]
Acquisition date [1] Jul. 31, 2020 [2],[7],[10] Jul. 31, 2020 [4],[8],[9]
Investments, fair value [1] $ 14 [2],[7],[10] $ 28 [4],[8],[9]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteOneMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Oct. 11, 2019 [7] Oct. 11, 2019 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Investment, cost [1],[4],[9] $ 500,000 [7] $ 500,000 [8]
Investments, market value, total [1],[4],[9] $ 13 [7] $ 27 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Acquisition date [1],[4],[9] Oct. 11, 2019 [7] Oct. 11, 2019 [8]
Investments, fair value [1],[4],[9] $ 13 [7] $ 27 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteSevenMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Dec. 31, 2018 [7] Dec. 31, 2018 [8]
Investment, shares/par value (in shares) [1],[4],[9] 10,961,129 [7] 10,961,129 [8]
Investment, cost [1],[4],[9] $ 10,961,129 [7] $ 10,961,129 [8]
Investments, market value, total [1],[4],[9] $ 297 [7] $ 600 [8]
Investment, shares/par value (in shares) [1],[4],[9] 10,961,129 [7] 10,961,129 [8]
Acquisition date [1],[4],[9] Dec. 31, 2018 [7] Dec. 31, 2018 [8]
Investments, fair value [1],[4],[9] $ 297 [7] $ 600 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteSeventeenMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 15.00% [2],[7],[10] 15.00% [4],[8],[9]
Acquisition date [1] Jul. 12, 2019 [2],[7],[10] Jul. 12, 2019 [4],[8],[9]
Investment, shares/par value (in shares) [1] 1,300,000 [2],[7],[10] 1,300,000 [4],[8],[9]
Investment, cost [1] $ 1,300,000 [2],[7],[10] $ 1,300,000 [4],[8],[9]
Investments, market value, total [1] $ 35 [2],[7],[10] $ 71 [4],[8],[9]
Investment, shares/par value (in shares) [1] 1,300,000 [2],[7],[10] 1,300,000 [4],[8],[9]
Acquisition date [1] Jul. 12, 2019 [2],[7],[10] Jul. 12, 2019 [4],[8],[9]
Investments, fair value [1] $ 35 [2],[7],[10] $ 71 [4],[8],[9]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteSixMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Nov. 29, 2021 [7] Nov. 29, 2021 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Investment, cost [1],[4],[9] $ 500,000 [7] $ 500,000 [8]
Investments, market value, total [1],[4],[9] $ 14 [7] $ 27 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Acquisition date [1],[4],[9] Nov. 29, 2021 [7] Nov. 29, 2021 [8]
Investments, fair value [1],[4],[9] $ 14 [7] $ 27 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteSixteenMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 15.00% [2],[7],[10] 15.00% [4],[8],[9]
Acquisition date [1] Jun. 10, 2022 [2],[7],[10] Jun. 10, 2022 [4],[8],[9]
Investment, shares/par value (in shares) [1] 700,000 [2],[7],[10] 700,000 [4],[8],[9]
Investment, cost [1] $ 700,000 [2],[7],[10] $ 700,000 [4],[8],[9]
Investments, market value, total [1] $ 19 [2],[7],[10] $ 38 [4],[8],[9]
Investment, shares/par value (in shares) [1] 700,000 [2],[7],[10] 700,000 [4],[8],[9]
Acquisition date [1] Jun. 10, 2022 [2],[7],[10] Jun. 10, 2022 [4],[8],[9]
Investments, fair value [1] $ 19 [2],[7],[10] $ 38 [4],[8],[9]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTenMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Mar. 25, 2020 [7] Mar. 25, 2020 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Investment, cost [1],[4],[9] $ 500,000 [7] $ 500,000 [8]
Investments, market value, total [1],[4],[9] $ 14 [7] $ 28 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Acquisition date [1],[4],[9] Mar. 25, 2020 [7] Mar. 25, 2020 [8]
Investments, fair value [1],[4],[9] $ 14 [7] $ 28 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteThirteenMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Apr. 20, 2021 [7] Apr. 20, 2021 [8]
Investment, shares/par value (in shares) [1],[4],[9] 1,000,000 [7] 1,000,000 [8]
Investment, cost [1],[4],[9] $ 1,000,000 [7] $ 1,000,000 [8]
Investments, market value, total [1],[4],[9] $ 27 [7] $ 55 [8]
Investment, shares/par value (in shares) [1],[4],[9] 1,000,000 [7] 1,000,000 [8]
Acquisition date [1],[4],[9] Apr. 20, 2021 [7] Apr. 20, 2021 [8]
Investments, fair value [1],[4],[9] $ 27 [7] $ 55 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteThreeMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Oct. 29, 2019 [7] Oct. 29, 2019 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Investment, cost [1],[4],[9] $ 500,000 [7] $ 500,000 [8]
Investments, market value, total [1],[4],[9] $ 13 [7] $ 28 [8]
Investment, shares/par value (in shares) [1],[4],[9] 500,000 [7] 500,000 [8]
Acquisition date [1],[4],[9] Oct. 29, 2019 [7] Oct. 29, 2019 [8]
Investments, fair value [1],[4],[9] $ 13 [7] $ 28 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwelveMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Mar. 08, 2020 [7] Mar. 08, 2020 [8]
Investment, shares/par value (in shares) [1],[4],[9] 400,000 [7] 400,000 [8]
Investment, cost [1],[4],[9] $ 400,000 [7] $ 400,000 [8]
Investments, market value, total [1],[4],[9] $ 11 [7] $ 22 [8]
Investment, shares/par value (in shares) [1],[4],[9] 400,000 [7] 400,000 [8]
Acquisition date [1],[4],[9] Mar. 08, 2020 [7] Mar. 08, 2020 [8]
Investments, fair value [1],[4],[9] $ 11 [7] $ 22 [8]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwentyMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 15.00% [2],[7],[10] 15.00% [4],[8],[9]
Acquisition date [1] Aug. 28, 2020 [2],[7],[10] Aug. 28, 2020 [4],[8],[9]
Investment, shares/par value (in shares) [1] 750,000 [2],[7],[10] 750,000 [4],[8],[9]
Investment, cost [1] $ 750,000 [2],[7],[10] $ 750,000 [4],[8],[9]
Investments, market value, total [1] $ 20 [2],[7],[10] $ 41 [4],[8],[9]
Investment, shares/par value (in shares) [1] 750,000 [2],[7],[10] 750,000 [4],[8],[9]
Acquisition date [1] Aug. 28, 2020 [2],[7],[10] Aug. 28, 2020 [4],[8],[9]
Investments, fair value [1] $ 20 [2],[7],[10] $ 41 [4],[8],[9]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwentyOneMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 15.00% [2],[7],[10] 15.00% [4],[8],[9]
Acquisition date [1] Sep. 22, 2021 [2],[7],[10] Sep. 22, 2021 [4],[8],[9]
Investment, shares/par value (in shares) [1] 500,000 [2],[7],[10] 500,000 [4],[8],[9]
Investment, cost [1] $ 500,000 [2],[7],[10] $ 500,000 [4],[8],[9]
Investments, market value, total [1] $ 14 [2],[7],[10] $ 27 [4],[8],[9]
Investment, shares/par value (in shares) [1] 500,000 [2],[7],[10] 500,000 [4],[8],[9]
Acquisition date [1] Sep. 22, 2021 [2],[7],[10] Sep. 22, 2021 [4],[8],[9]
Investments, fair value [1] $ 14 [2],[7],[10] $ 27 [4],[8],[9]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwoMember    
Maturity date [1],[4],[9] Dec. 31, 2026 [7] Dec. 31, 2026 [8]
Interest rate [1],[4],[9] 15.00% [7] 15.00% [8]
Acquisition date [1],[4],[9] Oct. 22, 2021 [7] Oct. 22, 2021 [8]
Investment, shares/par value (in shares) [1],[4],[9] 1,000,000 [7] 1,000,000 [8]
Investment, cost [1],[4],[9] $ 1,000,000 [7] $ 1,000,000 [8]
Investments, market value, total [1],[4],[9] $ 27 [7] $ 55 [8]
Investment, shares/par value (in shares) [1],[4],[9] 1,000,000 [7] 1,000,000 [8]
Acquisition date [1],[4],[9] Oct. 22, 2021 [7] Oct. 22, 2021 [8]
Investments, fair value [1],[4],[9] $ 27 [7] $ 55 [8]
Investment, Identifier [Axis]: FidelityInvestmentsMoneyMarketTreasuryPortfolioClassIMember    
Investment, shares/par value (in shares) [11] 2,116 [12] 56,271 [13]
Investment, cost [11] $ 2,116 [12] $ 56,271 [13]
Investments, market value, total [11] $ 2,116 [12] $ 56,271 [13]
Investment, shares/par value (in shares) [11] 2,116 [12] 56,271 [13]
Investments, fair value [11] $ 2,116 [12] $ 56,271 [13]
Investment, Identifier [Axis]: PreferredStockSeriesAAWrightspeedIncAutomotiveOneMember    
Investment, shares/par value (in shares) [1],[3] 60,733,693 [6],[7] 60,733,693 [4],[8]
Investment, cost [1],[3] $ 17,355,887 [6],[7] $ 17,355,887 [4],[8]
Investments, market value, total [1],[3] $ 0 [6],[7] $ 0 [4],[8]
Investment, shares/par value (in shares) [1],[3] 60,733,693 [6],[7] 60,733,693 [4],[8]
Investments, fair value [1],[3] $ 0 [6],[7] $ 0 [4],[8]
Investment, Identifier [Axis]: PreferredStockSeriesAAWrightspeedIncAutomotiveOneMember | Maximum [Member]    
Acquisition date [1],[3] Jul. 20, 2020 [6],[7] Jul. 20, 2020 [4],[8]
Acquisition date [1],[3] Jul. 20, 2020 [6],[7] Jul. 20, 2020 [4],[8]
Investment, Identifier [Axis]: PreferredStockSeriesAAWrightspeedIncAutomotiveOneMember | Minimum [Member]    
Acquisition date [1],[3] Jun. 07, 2019 [6],[7] Jun. 07, 2019 [4],[8]
Acquisition date [1],[3] Jun. 07, 2019 [6],[7] Jun. 07, 2019 [4],[8]
Investment, Identifier [Axis]: PreferredStockSeriesBLynceanTechnologiesIncSemiconductorEquipmentMember    
Acquisition date [3] Jul. 02, 2018 [2],[7] Jul. 03, 2018 [4],[8]
Investment, shares/par value (in shares) [3] 869,792 [2],[7] 869,792 [4],[8]
Investment, cost [3] $ 1,000,000 [2],[7] $ 1,000,000 [4],[8]
Investments, market value, total [3] $ 0 [2],[7] $ 0 [4],[8]
Investment, shares/par value (in shares) [3] 869,792 [2],[7] 869,792 [4],[8]
Acquisition date [3] Jul. 02, 2018 [2],[7] Jul. 03, 2018 [4],[8]
Investments, fair value [3] $ 0 [2],[7] $ 0 [4],[8]
Investment, Identifier [Axis]: PreferredStockSeriesCIntraopMedicalCorpMedicalDevicesSectorMember    
Acquisition date [1],[3] Jul. 12, 2013 [2],[7] Jul. 12, 2013 [4],[8]
Investment, shares/par value (in shares) [1],[3] 26,856,187 [2],[7] 26,856,187 [4],[8]
Investment, cost [1],[3] $ 26,299,939 [2],[7] $ 26,299,939 [4],[8]
Investments, market value, total [1],[3] $ 0 [2],[7] $ 0 [4],[8]
Investment, shares/par value (in shares) [1],[3] 26,856,187 [2],[7] 26,856,187 [4],[8]
Acquisition date [1],[3] Jul. 12, 2013 [2],[7] Jul. 12, 2013 [4],[8]
Investments, fair value [1],[3] $ 0 [2],[7] $ 0 [4],[8]
Investment, Identifier [Axis]: TermNoteIntraopMedicalCorpMedicalDevicesSectorNoteOneMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 8.00% [2],[7],[10] 8.00% [4],[8],[9]
Acquisition date [1] Feb. 10, 2017 [2],[7],[10] Feb. 10, 2017 [4],[8],[9]
Investment, shares/par value (in shares) [1] 2,000,000 [2],[7],[10] 2,000,000 [4],[8],[9]
Investment, cost [1] $ 2,000,000 [2],[7],[10] $ 2,000,000 [4],[8],[9]
Investments, market value, total [1] $ 54 [2],[7],[10] $ 110 [4],[8],[9]
Investment, shares/par value (in shares) [1] 2,000,000 [2],[7],[10] 2,000,000 [4],[8],[9]
Acquisition date [1] Feb. 10, 2017 [2],[7],[10] Feb. 10, 2017 [4],[8],[9]
Investments, fair value [1] $ 54 [2],[7],[10] $ 110 [4],[8],[9]
Investment, Identifier [Axis]: TermNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwoMember    
Maturity date [1] Dec. 31, 2026 [2],[7],[10] Dec. 31, 2026 [4],[8],[9]
Interest rate [1] 8.00% [2],[7],[10] 8.00% [4],[8],[9]
Acquisition date [1] Feb. 28, 2014 [2],[7],[10] Feb. 28, 2014 [4],[8],[9]
Investment, shares/par value (in shares) [1] 3,000,000 [2],[7],[10] 3,000,000 [4],[8],[9]
Investment, cost [1] $ 3,000,000 [2],[7],[10] $ 3,000,000 [4],[8],[9]
Investments, market value, total [1] $ 81 [2],[7],[10] $ 164 [4],[8],[9]
Investment, shares/par value (in shares) [1] 3,000,000 [2],[7],[10] 3,000,000 [4],[8],[9]
Acquisition date [1] Feb. 28, 2014 [2],[7],[10] Feb. 28, 2014 [4],[8],[9]
Investments, fair value [1] $ 81 [2],[7],[10] $ 164 [4],[8],[9]
[1] Controlled investments.
[2] Fair Value Level 3 security (-32.5% of net assets).
[3] Non-income producing security.
[4] Fair Value Level 3 security (-71.9% of net assets).
[5] Affiliated issuer.
[6] Fair Value Level 3 security (66.7% of net assets).
[7] Restricted security. Fair Value is determined in good faith by Firsthand Capital Management, Inc. ("FCM" or the "Advisor") as the valuation designee under Rule 2a-5 under the 1940 Act, subject to oversight by the Board (see Note 3). At March 31, 2026, we held $144,314 (or (32.5)% of net assets) in restricted securities (see Note 2).
[8] Restricted security. Fair Value is determined in good faith by Firsthand Capital Management, Inc. ("FCM" or the "Advisor") as the valuation designee under Rule 2a-5 under the 1940 Act, subject to oversight by the Board (see Note 3). At December 31, 2025, we held $169,165 or (71.9)% of net assets) in restricted securities (see Note 2).
[9] Security whose interest accrues until maturity however, based on December 31, 2025 valuation no such interest accrued during period ended December 31, 2025.
[10] Security whose interest accrues until maturity however, based on March 31, 2026 valuation no such interest accrued during period ended March 31, 2026.
[11] The Fidelity Investments Money Market Treasury Portfolio invests primarily in U.S. Treasury securities.
[12] The rate shown is the 7 day annualized yield at March 31, 2026.
[13] The rate shown is the 7 day annualized yield at December 31, 2025