Annual report [Section 13 and 15(d), not S-K Item 405]

CONSOLIDATED SCHEDULE OF PORTFOLIO INVESTMENTS (Parenthetical)

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CONSOLIDATED SCHEDULE OF PORTFOLIO INVESTMENTS (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]    
Percentage of fair value level 3 investments 100.00% 100.00%
Total Investments at Fair Value $ 57,062,399 $ 68,120,235
Interest due from investments $ 168,039 $ 357,530
Minimum percentage of total assets in qualifying assets 70.00% 70.00%
Blocker corporation    
Schedule of Investments [Line Items]    
Equity owned percentage 100.00% 100.00%
Fair Value    
Schedule of Investments [Line Items]    
Total Investments at Fair Value $ 57,100,000 $ 68,100,000
Net unrealized appreciation 8,600,000 2,700,000
Unrealized appreciation of investment securities 6,200,000 10,800,000
Unrealized depreciation of investment securities 14,800,000 8,100,000
Aggregate gross unrealized gain for federal income tax 4,900,000 10,800,000
Aggregate gross unrealized loss for federal income tax 13,500,000 7,000,000
Net unrealized gain for federal income tax (8,600,000) 3,800,000
Tax cost 56,100,000 65,900,000
Minimum    
Schedule of Investments [Line Items]    
Interest due from investments $ 100,000 $ 100,000
Percentage of voting securities   5.00%
Affiliate investments voting securities 5.00%  
Control investments voting securities 25.00%  
Control investments voting securities percentage on Board 50.00%  
Percentage of board representation   50.00%
Maximum    
Schedule of Investments [Line Items]    
Percentage of voting securities   25.00%
Affiliate investments voting securities 25.00%