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Schedule of Investments (Details) (Parenthethical) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Short term investment $ 630,200 [1] $ 2,404,900 [2]
Membership [Member]    
Short term investment 580,700 553,900
Activity Stock Due [Member]    
Short term investment $ 49,500 $ 1,851,000
[1] Includes $580,700 of Membership stock and $49,500 of Activity stock attributable to short-term borrowings and letters of credit.
[2] Includes $553,900 of Membership stock and $1,851,000 of Activity stock due to short-term advances and letters of credit.