v3.26.1
Note 3 - Investments - Portfolio Composition by Geographical Classification (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Investment Owned, Fair Value $ 262,645,641 $ 262,216,317
Percentage of total investments 100.00% 100.00%
ARGENTINA    
Investment Owned, Fair Value [1] $ 14,613,078 $ 15,041,814
Percentage of total investments [1] 5.70% 5.70%
BOTSWANA    
Investment Owned, Fair Value $ 1,777,308 $ 1,777,308
Percentage of total investments 0.70% 0.70%
BRAZIL    
Investment Owned, Fair Value $ 35,690,835 $ 34,916,438
Percentage of total investments 13.60% 13.30%
CABO VERDE    
Investment Owned, Fair Value $ 7,728,053 $ 9,885,644
Percentage of total investments 2.90% 3.80%
CAMEROON    
Investment Owned, Fair Value $ 12,603,957 $ 13,525,607
Percentage of total investments 4.80% 5.20%
CHILE    
Investment Owned, Fair Value $ 1,403,608 $ 764,426
Percentage of total investments 0.50% 0.30%
ECUADOR    
Investment Owned, Fair Value $ 5,117,604 $ 5,194,204
Percentage of total investments 1.90% 2.00%
HONG KONG    
Investment Owned, Fair Value $ 14,208,553 $ 14,551,857
Percentage of total investments 5.40% 5.50%
INDONESIA    
Investment Owned, Fair Value $ 10,910,350 $ 12,949,836
Percentage of total investments 4.20% 4.90%
KENYA    
Investment Owned, Fair Value $ 3,099,538 $ 3,099,538
Percentage of total investments 1.20% 1.20%
MALAYSIA    
Investment Owned, Fair Value $ 3,919,175 $ 4,019,175
Percentage of total investments 1.50% 1.50%
MEXICO    
Investment Owned, Fair Value $ 78,074,055 $ 70,740,611
Percentage of total investments 29.70% 26.90%
NAMIBIA    
Investment Owned, Fair Value $ 18,473,849 $ 18,029,698
Percentage of total investments 7.00% 6.90%
NETHERLANDS    
Investment Owned, Fair Value $ 9,987,459 $ 11,036,073
Percentage of total investments 3.80% 4.20%
NIGERIA    
Investment Owned, Fair Value $ 1,696,509 $ 2,918,985
Percentage of total investments 0.60% 1.10%
PERU    
Investment Owned, Fair Value $ 1,261,346 $ 1,261,346
Percentage of total investments 0.50% 0.50%
ROMANIA    
Investment Owned, Fair Value $ 6,521,990 $ 6,982,214
Percentage of total investments 2.50% 2.70%
SINGAPORE    
Investment Owned, Fair Value $ 19,025,669 $ 19,025,670
Percentage of total investments 7.20% 7.30%
UGANDA    
Investment Owned, Fair Value $ 13,408,445 $ 13,371,613
Percentage of total investments 5.10% 5.10%
Other Country [Member]    
Investment Owned, Fair Value $ 3,124,260 $ 3,124,260
Percentage of total investments 1.20% 1.20%
[1] All of the Company’s investments in Argentina are Participations in trade finance facilities originated by IIG TOF B.V.