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Note 8 - Financial Instruments With Off-balance-sheet Risk (Details Textual) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability $ 2,147  
Commitments to Extend Credit [Member]    
Other Commitment, Total $ 214,500 $ 114,500