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Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Balance |  | $ 9,094 | $ 8,225
Charge-offs |  | (519) | (478)
Recoveries |  | 270 | 283
Provision for (recovery of) credit losses |  | 1,242 | (1,278)
Merger adjustment | [1] | 175 |
Balance |  | 10,262 | 9,094
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  |  | 2,342
Real Estate Construction Portfolio Segment [Member] |  |  |
Balance |  | 408 | 450
Charge-offs |  | 0 | 0
Recoveries |  | 0 | 0
Provision for (recovery of) credit losses |  | (70) | (21)
Merger adjustment | [1] | 10 |
Balance |  | 348 | 408
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  |  | (21)
Consumer Real Estate Portfolio Segment [Member] |  |  |
Balance |  | 3,162 | 2,199
Charge-offs |  | 0 | (17)
Recoveries |  | 0 | 103
Provision for (recovery of) credit losses |  | 667 | (384)
Merger adjustment | [1] | 97 |
Balance |  | 3,926 | 3,162
Consumer Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  |  | 1,261
Commercial Real Estate Portfolio Segment [Member] |  |  |
Balance |  | 3,576 | 3,642
Charge-offs |  | 0 | 0
Recoveries |  | 53 | 45
Provision for (recovery of) credit losses |  | 615 | (811)
Merger adjustment | [1] | 55 |
Balance |  | 4,299 | 3,576
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  |  | 700
Commercial Non Real Estate Segment [Member] |  |  |
Balance |  | 682 | 930
Charge-offs |  | (166) | (214)
Recoveries |  | 79 | 6
Provision for (recovery of) credit losses |  | 56 | (256)
Merger adjustment | [1] | 4 |
Balance |  | 655 | 682
Commercial Non Real Estate Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  |  | 216
Public Sector and IDA Portfolio Segment [Member] |  |  |
Balance |  | 333 | 319
Charge-offs |  | 0 |
Recoveries |  | 0 | 0
Provision for (recovery of) credit losses |  | 3 | 29
Merger adjustment | [1] | 0 |
Balance |  | 336 | 333
Public Sector and IDA Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  |  | (15)
Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Balance |  | 583 | 506
Charge-offs |  | (353) | (247)
Recoveries |  | 138 | 129
Provision for (recovery of) credit losses |  | 271 | 123
Merger adjustment | [1] | 9 |
Balance |  | 648 | 583
Consumer Non Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  |  | 72
Unallocated Financing Receivables [Member] |  |  |
Balance |  | 350 | 179
Charge-offs |  | 0 | 0
Recoveries |  | 0 | 0
Provision for (recovery of) credit losses |  | (300) | 42
Merger adjustment | [1] | 0 |
Balance |  | $ 50 | 350
Unallocated Financing Receivables [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  |  | $ 129
[1] | Adjustment for PCD acquired loans.

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