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Note 3 - Pledged Assets (Details Textual) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Cash and Cash Equivalents, at Carrying Value, Total $ 2,414,077 $ 3,477,714
Cash and Cash Equivalents Held by AmerInst Professional Services, Limited in a Fiduciary Capacity [Member]    
Cash and Cash Equivalents, at Carrying Value, Total $ 1,293,876 $ 1,794,001