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Note 7 - Loans and Related Allowance for Credit Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Beginning balance | $ 21,795 | $ 20,591 | $ 21,693 | $ 14,438 | $ 14,438
Charge-offs | (1,426) |  | (1,439) | (301) |
Recoveries | 44 | 41 | 154 | 214 |
Provision | 2,113 | 379 | 2,118 | 1,253 |
Ending balance | 22,526 | 20,986 | 22,526 | 20,986 | 21,693
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | 5,382 | 5,382
Charge-offs |  | (25) |  |  |
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] |  |  |  |  |
Beginning balance | 2,058 | 3,413 | 2,668 | 2,203 | 2,203
Charge-offs | (45) |  | (45) | (46) | (46)
Recoveries | 0 | 1 | 11 | 4 |
Provision | 177 | (711) | (444) | (269) |
Ending balance | 2,190 | 2,703 | 2,190 | 2,703 | 2,668
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | 811 | 811
Charge-offs |  | 0 |  |  |
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] |  |  |  |  |
Beginning balance | 7,981 | 3,846 | 4,480 | 5,597 | 5,597
Charge-offs | (1,341) |  | (1,341) | 0 | 0
Recoveries | 0 | 0 | 0 | 0 |
Provision | 1,716 | 231 | 5,217 | (314) |
Ending balance | 8,356 | 4,077 | 8,356 | 4,077 | 4,480
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | (1,206) | (1,206)
Charge-offs |  | 0 |  |  |
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] |  |  |  |  |
Beginning balance | 1,268 | 1,279 | 1,796 | 662 | 662
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 |
Provision | 125 | 495 | (403) | 521 |
Ending balance | 1,393 | 1,774 | 1,393 | 1,774 | 1,796
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | 591 | 591
Charge-offs |  | 0 |  |  |
Residential Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 4,891 | 5,114 | 5,450 | 2,047 | 2,047
Charge-offs | 0 |  | 0 | (108) | (108)
Recoveries | 0 | 0 | 0 | 0 |
Provision | 219 | 187 | (340) | 618 |
Ending balance | 5,110 | 5,301 | 5,110 | 5,301 | 5,450
Residential Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | 2,744 | 2,744
Charge-offs |  | 0 |  |  |
Commercial And Industrial [Member] |  |  |  |  |
Beginning balance | 2,430 | 4,104 | 4,377 | 1,483 | 1,483
Charge-offs | (35) |  | (35) | (85) | (85)
Recoveries | 9 | 10 | 24 | 30 |
Provision | 8 | 106 | (1,954) | 447 |
Ending balance | 2,412 | 4,195 | 2,412 | 4,195 | 4,377
Commercial And Industrial [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | 2,320 | 2,320
Charge-offs |  | (25) |  |  |
Home Equity Lines of Credit [Member] |  |  |  |  |
Beginning balance | 813 | 723 | 750 | 1,753 | 1,753
Charge-offs | 0 |  | (7) | 0 | 0
Recoveries | 0 | 0 | 1 | 70 |
Provision | 56 | 3 | 125 | (66) |
Ending balance | 869 | 726 | 869 | 726 | 750
Home Equity Lines of Credit [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | (1,031) | (1,031)
Charge-offs |  | 0 |  |  |
Construction and Other [Member] |  |  |  |  |
Beginning balance | 2,290 | 1,884 | 1,990 | 609 | 609
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 |
Provision | (159) | 146 | 141 | 465 |
Ending balance | 2,131 | 2,030 | 2,131 | 2,030 | 1,990
Construction and Other [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | 956 | 956
Charge-offs |  | 0 |  |  |
Consumer Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 64 | 228 | 182 | 84 | 84
Charge-offs | (5) |  | (11) | (62) | (63)
Recoveries | 35 | 30 | 118 | 110 |
Provision | (29) | (78) | (224) | (149) |
Ending balance | $ 65 | 180 | $ 65 | 180 | 182
Consumer Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Beginning balance |  |  |  | $ 197 | $ 197
Charge-offs |  | $ 0 |  |  |

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