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Note 5 - Allowance for Loan Losses on Loans and Nonperforming Assets - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Balance | $ 8,225 | $ 7,674
Charge-offs | (478) | (367)
Recoveries | 283 | 212
Provision for credit losses | (1,278) | 706
Balance | 9,094 | 8,225
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Balance | 2,342 |
Balance |  | 2,342
Real Estate Construction Portfolio Segment[Member] |  |
Balance | 450 | 422
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision for credit losses | (21) | 28
Balance | 408 | 450
Real Estate Construction Portfolio Segment[Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Balance | (21) |
Balance |  | (21)
Consumer Real Estate Portfolio Segment [Member] |  |
Balance | 2,199 | 1,930
Charge-offs | (17) | (13)
Recoveries | 103 | 29
Provision for credit losses | (384) | 253
Balance | 3,162 | 2,199
Consumer Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Balance | 1,261 |
Balance |  | 1,261
Commercial Real Estate Portfolio Segment [Member] |  |
Balance | 3,642 | 3,121
Charge-offs | 0 | 0
Recoveries | 45 | 49
Provision for credit losses | (811) | 472
Balance | 3,576 | 3,642
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Balance | 700 |
Balance |  | 700
Commercial Non Real Estate Segment [Member] |  |
Balance | 930 | 1,099
Charge-offs | (214) | (2)
Recoveries | 6 | 11
Provision for credit losses | (256) | (178)
Balance | 682 | 930
Commercial Non Real Estate Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Balance | 216 |
Balance |  | 216
Public Sector and IDA Portfolio Segment[Member] |  |
Balance | 319 | 297
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision for credit losses | 29 | 22
Balance | 333 | 319
Public Sector and IDA Portfolio Segment[Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Balance | (15) |
Balance |  | (15)
Consumer Non Real Estate Portfolio Segment [Member] |  |
Balance | 506 | 444
Charge-offs | (247) | (352)
Recoveries | 129 | 123
Provision for credit losses | 123 | 291
Balance | 583 | 506
Consumer Non Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Balance | 72 |
Balance |  | 72
Unallocated Financing Receivables [Member] |  |
Balance | 179 | 361
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision for credit losses | 42 | (182)
Balance | 350 | 179
Unallocated Financing Receivables [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Balance | $ 129 |
Balance |  | $ 129

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