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Note 8 - Fair Value - Schedule of Financial Assets at Fair Value Measured on Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Mortgage servicing rights | $ 986 | $ 403
Fair Value, Inputs, Level 1 [Member] |  |
Mortgage servicing rights | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Mortgage servicing rights | 986 | 403
Fair Value, Inputs, Level 3 [Member] |  |
Mortgage servicing rights | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |
Loans, fair value | 14,014 | 7,286
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Loans, fair value | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Loans, fair value | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Loans, fair value | 14,014 | 7,286
Other Loans [Member] |  |
Loans, fair value | 6,801 |
Other Loans [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Loans, fair value | 0 |
Other Loans [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Loans, fair value | 0 |
Other Loans [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Loans, fair value | 6,801 |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans, fair value | 2,165 | 2,418
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Loans, fair value | 0 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Loans, fair value | 0 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Loans, fair value | 2,165 | 2,418
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |
Loans, fair value | 760 | 1,132
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Loans, fair value | 0 | 0
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Loans, fair value | 0 | 0
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Loans, fair value | 760 | $ 1,132
Consumer Portfolio Segment [Member] |  |
Loans, fair value | 35 |
Consumer Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Loans, fair value | 0 |
Consumer Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Loans, fair value | 0 |
Consumer Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Loans, fair value | $ 35 |

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