v3.26.1
Note 10 - Investments in Affiliates and Controlled Investments - Schedule of Controlled Investments 2 (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Investments, fair value     $ 225,436    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax $ 9,974 $ (24,169,015) 9,974 $ (24,169,015)  
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax 427 $ 24,142,227 (24,403) $ 24,031,987  
Investments, fair value 148,635   148,635    
Investment, Identifier [Axis]: AffiliateInvestmentsMember          
Investments, fair value     167,642    
Interest     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     (26,445)    
Investments, fair value 141,197   141,197    
Investment, Identifier [Axis]: AutomotiveMember          
Investments, fair value 0   0    
Investment, Identifier [Axis]: CDIsRevasumIncSemiconductorEquipmentMember          
Investments, fair value [1],[2],[3]     0    
Investments, fair value [1],[3],[4] $ 0   $ 0    
Investment, shares/par value (in shares) [1],[3] 39,774,889 [4]   39,774,889 [4]   39,774,889 [2]
Investment, Identifier [Axis]: CommonStockUCTCoatingsIncAdvancedMaterialsMember          
Investments, fair value [3],[4],[5],[6]     $ 167,642    
Investments, fair value [3],[4],[5],[7] $ 141,197   $ 141,197    
Investment, shares/par value (in shares) [3],[4],[5] 1,500,000 [7]   1,500,000 [7]   1,500,000 [6]
Investment, Identifier [Axis]: CommonStockWrightspeedIncAutomotiveMember          
Investments, fair value [1],[3],[4],[6]     $ 0    
Investments, fair value [1],[3],[4],[7] $ 0   $ 0    
Investment, shares/par value (in shares) [1],[3],[4] 69,102 [7]   69,102 [7]   69,102 [6]
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsAdvancedMaterialsSectorMember          
Investments, fair value     $ 167,642    
Purchase/merger        
Interest     0    
Sales/maturity/expiration     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     (26,445)    
Investments, fair value $ 141,197   141,197    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsAutomotiveSectorMember          
Investments, fair value     0    
Purchase/merger     0    
Interest     0    
Sales/maturity/expiration     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     0    
Investments, fair value 0   0    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteEightMember          
Investments, fair value [8]     28    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     36    
Investments, fair value [8] $ 63   $ 63    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteEighteenMember          
Investments, fair value [8]     $ 11    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     14    
Investments, fair value [8] $ 25   $ 25    
Investment, shares/par value (in shares) [8] 200,000   200,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteElevenMember          
Investments, fair value [8]     $ 55    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     72    
Investments, fair value [8] $ 127   $ 127    
Investment, shares/par value (in shares) [8] 1,000,000   1,000,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteFifteenMember          
Investments, fair value [8]     $ 27    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     37    
Investments, fair value [8] $ 64   $ 64    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteFiveMember          
Investments, fair value [8]     $ 41    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     54    
Investments, fair value [8] $ 95   $ 95    
Investment, shares/par value (in shares) [8] 750,000   750,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteFourMember          
Investments, fair value [8]     $ 28    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     36    
Investments, fair value [8] $ 64   $ 64    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteFourteenMember          
Investments, fair value [8]     $ 55    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     72    
Investments, fair value [8] $ 127   $ 127    
Investment, shares/par value (in shares) [8] 1,000,000   1,000,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteNineMember          
Investments, fair value [8]     $ 22    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     29    
Investments, fair value [8] $ 51   $ 51    
Investment, shares/par value (in shares) [8] 400,000   400,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteNineteenMember          
Investments, fair value [8]     $ 38    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     51    
Investments, fair value [8] $ 89   $ 89    
Investment, shares/par value (in shares) [8] 700,000   700,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteOneMember          
Investments, fair value [8]     $ 600    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     793    
Investments, fair value [8] $ 1,393   $ 1,393    
Investment, shares/par value (in shares) [8] 10,961,129   10,961,129    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteSevenMember          
Investments, fair value [8]     $ 55    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     72    
Investments, fair value [8] $ 127   $ 127    
Investment, shares/par value (in shares) [8] 1,000,000   1,000,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteSeventeenMember          
Investments, fair value [8]     $ 27    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     37    
Investments, fair value [8] $ 64   $ 64    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteSixMember          
Investments, fair value [8]     $ 28    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     36    
Investments, fair value [8] $ 64   $ 64    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteSixteenMember          
Investments, fair value [8]     $ 27    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     37    
Investments, fair value [8] $ 64   $ 64    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteTenMember          
Investments, fair value [8]     $ 27    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     36    
Investments, fair value [8] $ 64   $ 64    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteThirteenMember          
Investments, fair value [8]     $ 27    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     36    
Investments, fair value [8] $ 64   $ 64    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteThreeMember          
Investments, fair value [8]     $ 28    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     36    
Investments, fair value [8] $ 63   $ 63    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteTwelveMember          
Investments, fair value [8]     $ 27    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     36    
Investments, fair value [8] $ 64   $ 64    
Investment, shares/par value (in shares) [8] 500,000   500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteTwentyMember          
Investments, fair value [8]     $ 8    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     11    
Investments, fair value [8] $ 19   $ 19    
Investment, shares/par value (in shares) [8] 150,000   150,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteTwentyOneMember          
Investments, fair value [8]     $ 19    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     25    
Investments, fair value [8] $ 44   $ 44    
Investment, shares/par value (in shares) [8] 350,000   350,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorNoteTwoMember          
Investments, fair value [8]     $ 71    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     94    
Investments, fair value [8] $ 165   $ 165    
Investment, shares/par value (in shares) [8] 1,300,000   1,300,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorPreferredStockOneMember          
Investments, fair value [8]     $ 0    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]        
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Investments, fair value [8] $ 0   $ 0    
Investment, shares/par value (in shares) [8] 26,856,187   26,856,187    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorTermNoteOneMember          
Investments, fair value [8]     $ 164    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     217    
Investments, fair value [8] $ 381   $ 381    
Investment, shares/par value (in shares) [8] 3,000,000   3,000,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsIntraOpMedicalCorpMedicalDevicesSectorTermNoteTwoMember          
Investments, fair value [8]     $ 110    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     145    
Investments, fair value [8] $ 254   $ 254    
Investment, shares/par value (in shares) [8] 2,000,000   2,000,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsMedicalCorpMedicalDevicesSectorMember          
Purchase/merger [8]     $ 0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     2,012    
Investments, fair value [8] $ 3,535   $ 3,535    
Investment, shares/par value (in shares) [8]      
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsMedicalDevicesSectorMember          
Investments, fair value [8]     $ 1,523    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsMember          
Investments, fair value     169,165    
Interest     0    
Sales/maturity/expiration     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     0    
Investments, fair value $ 144,732   144,732    
Total Affiliates and Controlled Investments     (24,433)    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsRevasumIncSemiconductorEquipmentSectorCDIsMember          
Investments, fair value [9]     0    
Purchase/merger [9]     0    
Interest [9]     0    
Sales/maturity/expiration [9]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [9]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [9]     0    
Investments, fair value [9] $ 0   $ 0    
Investment, shares/par value (in shares) [9] 39,774,889   39,774,889    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsSemiconductorEquipmentSectorMember          
Investments, fair value     $ 0    
Purchase/merger     0    
Interest     0    
Sales/maturity/expiration     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax        
Investments, fair value      
Investment, shares/par value (in shares) 0   0    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsUCTCoatingsIncAdvancedMaterialsSectorCommonStockOneMember          
Investments, fair value     $ 167,642    
Purchase/merger     0    
Interest     0    
Sales/maturity/expiration     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     (26,445)    
Investments, fair value $ 141,197   $ 141,197    
Investment, shares/par value (in shares) 1,500,000   1,500,000    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsWrightspeedIncAutomotiveSectorCommonStockOneMember          
Investments, fair value [8]     $ 0    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Investments, fair value [8] $ 0   $ 0    
Investment, shares/par value (in shares) [8] 69,102   69,102    
Investment, Identifier [Axis]: ControlledAffiliateInvestmentsWrightspeedIncAutomotiveSectorPreferredStockOneMember          
Investments, fair value [8]     $ 0    
Purchase/merger [8]     0    
Interest [8]     0    
Sales/maturity/expiration [8]     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax [8]     0    
Investments, fair value [8] $ 0   $ 0    
Investment, shares/par value (in shares) [8] 60,733,693   60,733,693    
Investment, Identifier [Axis]: ControlledInvestmentsMember          
Investments, fair value     $ 1,523    
Interest     0    
Sales/maturity/expiration     0    
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     0    
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax     2,012    
Investments, fair value $ 3,535   3,535    
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteEightMember          
Investments, fair value [1],[4],[6],[10]     55    
Investments, fair value [1],[4],[7],[10] $ 127   $ 127    
Investment, shares/par value (in shares) [1],[4],[10] 1,000,000 [7]   1,000,000 [7]   1,000,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteEighteenMember          
Investments, fair value [1],[2],[6],[10]     $ 27    
Investments, fair value [1],[4],[7],[10] $ 64   $ 64    
Investment, shares/par value (in shares) [1],[10] 500,000 [4],[7]   500,000 [4],[7]   500,000 [2],[6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteElevenMember          
Investments, fair value [1],[4],[6],[10]     $ 8    
Investments, fair value [1],[4],[7],[10] $ 19   $ 19    
Investment, shares/par value (in shares) [1],[4],[10] 150,000 [7]   150,000 [7]   150,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteFifteenMember          
Investments, fair value [1],[2],[6],[10]     $ 28    
Investments, fair value [1],[4],[7],[10] $ 64   $ 64    
Investment, shares/par value (in shares) [1],[10] 500,000 [4],[7]   500,000 [4],[7]   500,000 [2],[6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteFiveMember          
Investments, fair value [1],[4],[6],[10]     $ 27    
Investments, fair value [1],[4],[7],[10] $ 64   $ 64    
Investment, shares/par value (in shares) [1],[4],[10] 500,000 [7]   500,000 [7]   500,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteFourMember          
Investments, fair value [1],[4],[6],[10]     $ 27    
Investments, fair value [1],[4],[7],[10] $ 64   $ 64    
Investment, shares/par value (in shares) [1],[4],[10] 500,000 [7]   500,000 [7]   500,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteFourteenMember          
Investments, fair value [1],[4],[6],[10]     $ 19    
Investments, fair value [1],[4],[7],[10] $ 44   $ 44    
Investment, shares/par value (in shares) [1],[4],[10] 350,000 [7]   350,000 [7]   350,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteNineMember          
Investments, fair value [1],[4],[6],[10]     $ 11    
Investments, fair value [1],[4],[7],[10] $ 25   $ 25    
Investment, shares/par value (in shares) [1],[4],[10] 200,000 [7]   200,000 [7]   200,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteNineteenMember          
Investments, fair value [1],[2],[6],[10]     $ 28    
Investments, fair value [1],[4],[7],[10] $ 64   $ 64    
Investment, shares/par value (in shares) [1],[10] 500,000 [4],[7]   500,000 [4],[7]   500,000 [2],[6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteOneMember          
Investments, fair value [1],[4],[6],[10]     $ 27    
Investments, fair value [1],[4],[7],[10] $ 63   $ 63    
Investment, shares/par value (in shares) [1],[4],[10] 500,000 [7]   500,000 [7]   500,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteSevenMember          
Investments, fair value [1],[4],[6],[10]     $ 600    
Investments, fair value [1],[4],[7],[10] $ 1,393   $ 1,393    
Investment, shares/par value (in shares) [1],[4],[10] 10,961,129 [7]   10,961,129 [7]   10,961,129 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteSeventeenMember          
Investments, fair value [1],[2],[6],[10]     $ 71    
Investments, fair value [1],[4],[7],[10] $ 165   $ 165    
Investment, shares/par value (in shares) [1],[10] 1,300,000 [4],[7]   1,300,000 [4],[7]   1,300,000 [2],[6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteSixMember          
Investments, fair value [1],[4],[6],[10]     $ 27    
Investments, fair value [1],[4],[7],[10] $ 64   $ 64    
Investment, shares/par value (in shares) [1],[4],[10] 500,000 [7]   500,000 [7]   500,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteSixteenMember          
Investments, fair value [1],[2],[6],[10]     $ 38    
Investments, fair value [1],[4],[7],[10] $ 89   $ 89    
Investment, shares/par value (in shares) [1],[10] 700,000 [4],[7]   700,000 [4],[7]   700,000 [2],[6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTenMember          
Investments, fair value [1],[4],[6],[10]     $ 28    
Investments, fair value [1],[4],[7],[10] $ 64   $ 64    
Investment, shares/par value (in shares) [1],[4],[10] 500,000 [7]   500,000 [7]   500,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteThirteenMember          
Investments, fair value [1],[4],[6],[10]     $ 55    
Investments, fair value [1],[4],[7],[10] $ 127   $ 127    
Investment, shares/par value (in shares) [1],[4],[10] 1,000,000 [7]   1,000,000 [7]   1,000,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteThreeMember          
Investments, fair value [1],[4],[6],[10]     $ 28    
Investments, fair value [1],[4],[7],[10] $ 63   $ 63    
Investment, shares/par value (in shares) [1],[4],[10] 500,000 [7]   500,000 [7]   500,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwelveMember          
Investments, fair value [1],[4],[6],[10]     $ 22    
Investments, fair value [1],[4],[7],[10] $ 51   $ 51    
Investment, shares/par value (in shares) [1],[4],[10] 400,000 [7]   400,000 [7]   400,000 [6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwentyMember          
Investments, fair value [1],[2],[6],[10]     $ 41    
Investments, fair value [1],[4],[7],[10] $ 95   $ 95    
Investment, shares/par value (in shares) [1],[10] 750,000 [4],[7]   750,000 [4],[7]   750,000 [2],[6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwentyOneMember          
Investments, fair value [1],[2],[6],[10]     $ 27    
Investments, fair value [1],[4],[7],[10] $ 64   $ 64    
Investment, shares/par value (in shares) [1],[10] 500,000 [4],[7]   500,000 [4],[7]   500,000 [2],[6]
Investment, Identifier [Axis]: ConvertibleNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwoMember          
Investments, fair value [1],[4],[6],[10]     $ 55    
Investments, fair value [1],[4],[7],[10] $ 127   $ 127    
Investment, shares/par value (in shares) [1],[4],[10] 1,000,000 [7]   1,000,000 [7]   1,000,000 [6]
Investment, Identifier [Axis]: IntraopMedicalCorpMedicalDevicesSectorMember          
Investments, fair value [1],[4],[7],[10] $ 3,535   $ 3,535    
Investment, Identifier [Axis]: InvestmentCompanyFidelityInvestmentsMoneyMarketTreasuryPortfolioClassIMember          
Investments, fair value [11],[12]     56,271    
Investments, fair value [11],[13] $ 3,903   $ 3,903    
Investment, shares/par value (in shares) [11] 3,903 [13]   3,903 [13]   56,271 [12]
Investment, Identifier [Axis]: InvestmentPortfolioMember          
Investments, fair value     $ 225,436    
Investments, fair value $ 148,635   148,635    
Investment, Identifier [Axis]: LynceanTechnologiesIncSemiconductorEquipmentMember          
Investments, fair value [2],[3],[6]     0    
Investment, shares/par value (in shares) [2],[3],[6]         869,792
Investment, Identifier [Axis]: MedicalDevicesSector          
Investments, fair value     1,523    
Investment, Identifier [Axis]: PreferredStockSeriesAAWrightspeedIncAutomotiveOneMember          
Investments, fair value [1],[3],[4],[6]     0    
Investments, fair value [1],[3],[4],[7] $ 0   $ 0    
Investment, shares/par value (in shares) [1],[3],[4] 60,733,693 [7]   60,733,693 [7]   60,733,693 [6]
Investment, Identifier [Axis]: PreferredStockSeriesBLynceanTechnologiesIncSemiconductorEquipmentMember          
Investments, fair value [3],[4],[7] $ 0   $ 0    
Investment, shares/par value (in shares) [3],[4],[7] 869,792   869,792    
Investment, Identifier [Axis]: PreferredStockSeriesCIntraopMedicalCorpMedicalDevicesSectorMember          
Investments, fair value [1],[2],[3],[6]     $ 0    
Investments, fair value [1],[3],[4],[7] $ 0   $ 0    
Investment, shares/par value (in shares) [1],[3] 26,856,187 [4],[7]   26,856,187 [4],[7]   26,856,187 [2],[6]
Investment, Identifier [Axis]: TermNoteIntraopMedicalCorpMedicalDevicesSectorNoteOneMember          
Investments, fair value [1],[2],[6],[10]     $ 110    
Investments, fair value [1],[4],[7],[10] $ 254   $ 254    
Investment, shares/par value (in shares) [1],[10] 2,000,000 [4],[7]   2,000,000 [4],[7]   2,000,000 [2],[6]
Investment, Identifier [Axis]: TermNoteIntraopMedicalCorpMedicalDevicesSectorNoteTwoMember          
Investments, fair value [1],[2],[6],[10]     $ 164    
Investments, fair value [1],[4],[7],[10] $ 381   $ 381    
Investment, shares/par value (in shares) [1],[10] 3,000,000 [4],[7]   3,000,000 [4],[7]   3,000,000 [2],[6]
[1] Controlled investments.
[2] Fair Value Level 3 security (-71.9% of net assets).
[3] Non-income producing security.
[4] Fair Value Level 3 security (-32.4% of net assets).
[5] Affiliated issuer.
[6] 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).
[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 June 30, 2026, we held $144,732 (or (32.4)% of net assets) in restricted securities (see Note 2).
[8] Controlled Investments.
[9] CDI: CHESS Depositary Interests
[10] Security whose interest accrues until maturity however, based on December 31, 2025 valuation no such interest accrued during period ended December 31, 2025.
[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 December 31, 2025
[13] The rate shown is the 7 day annualized yield at June 30, 2026.