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

Income Taxes - Reconciliation of Net assets Resulting from Operations to Taxable Income (Details)

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Income Taxes - Reconciliation of Net assets Resulting from Operations to Taxable Income (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]                      
Net Income (Loss) $ (2,946,058) $ 2,636,516 $ 7,737,773 $ 1,399,381 $ 1,088,979 $ 595,504 $ 2,671,890 $ 2,170,277 $ 8,827,612 $ 6,526,650 $ (881,849)
Net change in unrealized appreciation/depreciation on investments                 5,722,329 (2,867,520)  
Net change in deferred tax asset/liability                 376,989 (77,734)  
GAAP versus tax basis consolidation of subsidiaries                 (32,936) (1,332,687)  
Other permanent book income and tax income differences                 37,498 1,348,624  
Temporary book income and tax income differences                 (2,270,112) (82,198)  
Taxable income                 $ 12,661,380 $ 3,515,135