Note 12 - Income Taxes (Details Textual) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Unrecognized Tax Benefits, Ending Balance	$ 0	$ 0
Retained Earnings, Appropriated	909,000	909,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Bad Debt Reserve for Tax Purposes of Qualified Lender	$ 191,000	$ 191,000