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Note 10 - Subordinated Debentures (Details Textual) - USD ($) $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 01, 2030 | Jan. 01, 2025 | Dec. 31, 2025 | Dec. 31, 2020
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | Secured Overnight Financing Rate (SOFR) [Member] |  |
Subordinated Debt [Member] |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 12,000
Subordinated Debt [Member] | The 2035 Notes [Member] |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 2,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 4.75%
Subordinated Debt [Member] | The 2035 Notes [Member] | Forecast [Member] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 4.14% |  |  |
Subordinated Debt [Member] | The 2030 Notes [Member] |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 10,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 4.75%
Debt Instrument, Basis Spread on Variable Rate |  | 4.52% |  |
Repayments of Debt |  |  | $ 5,800 |
Long-Term Debt |  |  | 4,200 |
Interest Expense, Debt |  |  | $ 426 |

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