v3.26.1
Note 3 - Investments - Summary of Investments (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Amortized cost $ 333,778,041 $ 329,603,765
Investment Owned, Fair Value $ 262,645,641 $ 262,216,317
Percentage of total investments 100.00% 100.00%
Senior Secured Term Loan [Member]    
Amortized cost $ 161,544,052 $ 154,210,608
Investment Owned, Fair Value $ 128,864,890 $ 123,807,284
Percentage of total investments 49.10% 47.20%
Senior Secured Term Loan Participations [Member]    
Amortized cost $ 88,994,091 $ 93,914,525
Investment Owned, Fair Value $ 66,297,945 $ 71,371,727
Percentage of total investments 25.20% 27.20%
Senior Secured Trade Finance Participations [Member]    
Amortized cost $ 32,328,967 $ 32,007,959
Investment Owned, Fair Value $ 24,859,079 $ 26,493,018
Percentage of total investments 9.50% 10.10%
Convertible Debt [Member]    
Amortized cost $ 29,335,457 $ 27,621,053
Investment Owned, Fair Value $ 30,806,874 $ 29,092,471
Percentage of total investments 11.70% 11.10%
Other Investment Companies [Member]    
Amortized cost $ 21,575,474 $ 21,849,620
Investment Owned, Fair Value $ 11,816,853 $ 11,451,817
Percentage of total investments 4.50% 4.40%
Warrant [Member]    
Amortized cost $ 0 $ 0
Investment Owned, Fair Value $ 0 $ 0
Percentage of total investments 0.00% 0.00%