Schedule of Investments (Details) (Parenthethical) - USD ($)	Mar. 31, 2022		Dec. 31, 2021
Short term investment	$ 2,588,400	[1]	$ 2,547,100	[2]
Membership [Member]
Short term investment	937,100		905,700
Activity Stock Due [Member]
Short term investment	$ 1,651,300		$ 1,641,400

[1] Includes $937,100 of Membership stock and $1,651,300 of Activity stock due to short-term borrowings.

[2] Includes $905,700 of Membership stock and $1,641,400 of Activity stock due to short-term advances and letters of credit.