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Note 12 - Other Borrowings (Details Textual) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2006 | Dec. 31, 2024 | Dec. 31, 2023
Stock Issued During Period, Value, New Issues | $ 248,000 |  |
Standby Letters of Credit [Member] |  |  |
Letters of Credit Outstanding, Amount |  | $ 25,000,000 |
Other Borrowings [Member] |  |  |
Notes Payable, Total |  | $ 8,200,000 | $ 8,200,000
Notes Payable, Other Payables [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.67% | 1.67% |
Debt, Weighted Average Interest Rate |  | 7.23% | 7.16%
Debt Instrument, Annual Principal Payment |  | $ 0 |
Special Purpose Entity [Member] |  |  |
Securities Sold under Agreements to Repurchase, Total | $ 8,000,000 |  |

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