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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES - Distributable (Loss) Earnings (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES    
Accumulated net realized loss from investments, net of cumulative dividends of $30,352,761 for both periods $ (39,212,808) $ (39,963,218)
Net realized loss on foreign currency translations (278,481) (282,145)
Net unrealized depreciation on investments and cash equivalents, net of deferred tax liability of $0 for both periods (24,967,577) (18,419,231)
Net unrealized appreciation (depreciation) on foreign currency translations (30,166) 17,854
Accumulated undistributed net investment income 29,625,813 31,966,956
Total distributable loss (34,863,219) (26,679,784)
Cumulative dividend 30,352,761 30,352,761
Unrealized depreciation on investments and cash equivalents, (provision) benefit for taxes $ 0 $ 0