Quarterly report [Sections 13 or 15(d)]

CONSOLIDATED SCHEDULE OF PORTFOLIO INVESTMENTS (Unaudited) (Parenthetical)

v3.25.1
CONSOLIDATED SCHEDULE OF PORTFOLIO INVESTMENTS (Unaudited) (Parenthetical) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]    
Percentage of fair value level 3 investments 100.00% 100.00%
Investment at Cost $ 60,757,941 $ 68,120,235
Interest due from investments $ 223,273 $ 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]    
Investment at Cost $ 60,800,000 $ 68,100,000
Net unrealized appreciation 1,400,000 2,700,000
Unrealized appreciation of investment securities 10,700,000 10,800,000
Unrealized depreciation of investment securities 9,300,000 8,100,000
Aggregate gross unrealized gain for federal income tax 8,700,000 10,800,000
Aggregate gross unrealized loss for federal income tax 7,300,000 7,000,000
Net unrealized gain for federal income tax 1,400,000 3,800,000
Tax cost 61,100,000 65,900,000
Minimum    
Schedule of Investments [Line Items]    
Interest due from investments $ 100,000 $ 100,000
Percentage of voting securities 5.00% 5.00%
Percentage of board of directors or other similar governing body 50.00% 50.00%
Maximum    
Schedule of Investments [Line Items]    
Percentage of voting securities 25.00% 25.00%