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Note 4 - Loans, Allowance for Credit Losses and Other Real Estate Owned - Loans by Delinquency and Nonaccrual Status (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Loans | $ 771,030 | $ 820,300 |
Nonaccrual | 0 | 201 |
Commercial Portfolio Segment [Member] |  |  |
Loans | 111,888 | 127,276 |
Nonaccrual | 0 | 10 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans | 489,612 | 507,900 |
Nonaccrual | 0 | 191 |
Construction Portfolio Segment [Member] |  |  |
Loans | 5,064 | 5,064 | $ 5,064
Nonaccrual | 0 | 0 |
Residential Portfolio Segment [Member] |  |  |
Loans | 8,061 | 8,274 |
Nonaccrual | 0 | 0 |
Consumer Portfolio Segment [Member] |  |  |
Loans | 156,405 | 171,786 | 171,786
Nonaccrual | 0 | 0 | 0
Financial Asset, Not Past Due [Member] |  |  |
Loans | 765,986 | 813,339 |
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans | 111,583 | 126,538 |
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans | 488,508 | 506,588 |
Financial Asset, Not Past Due [Member] | Construction Portfolio Segment [Member] |  |  |
Loans | 5,064 | 5,064 |
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] |  |  |
Loans | 7,865 | 8,274 |
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |
Loans | 152,966 | 166,875 | 166,875
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Loans | 4,148 | 5,314 |
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans | 305 | 700 |
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans | 1,104 | 1,121 |
Financial Asset, 30 to 59 Days Past Due [Member] | Construction Portfolio Segment [Member] |  |  |
Loans | 0 | 0 |
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] |  |  |
Loans | 196 | 0 |
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |
Loans | 2,543 | 3,493 | 3,493
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Loans | 619 | 912 |
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans | 0 | 28 |
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans | 0 | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] | Construction Portfolio Segment [Member] |  |  |
Loans | 0 | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] |  |  |
Loans | 0 | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |
Loans | 619 | 884 | 884
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans | 277 | 534 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans | 0 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans | 0 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Portfolio Segment [Member] |  |  |
Loans | 0 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] |  |  |
Loans | 0 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |
Loans | $ 277 | $ 534 | $ 534

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