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Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Loans and Allowance for Loan Losses by Evaluation Method (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Allowance for loan losses | $ 10,262 | $ 9,094 | $ 8,225
Loans, individually evaluated | 10,521 | 10,544 |
Loans, collectively evaluated | 978,092 | 846,631 |
Loans | 988,613 | 857,175 |
Individually Evaluated [Member] |  |  |
Allowance for loan losses | 80 | 572 |
Collectively Evaluated [Member] |  |  |
Allowance for loan losses | 10,182 | 8,522 |
Real Estate Construction Portfolio Segment [Member] |  |  |
Allowance for loan losses | 348 | 408 | 450
Loans, individually evaluated | 0 | 286 |
Loans, collectively evaluated | 50,798 | 55,093 |
Loans | 50,798 | 55,379 |
Real Estate Construction Portfolio Segment [Member] | Individually Evaluated [Member] |  |  |
Allowance for loan losses | 0 | 0 |
Real Estate Construction Portfolio Segment [Member] | Collectively Evaluated [Member] |  |  |
Allowance for loan losses | 348 | 408 |
Consumer Real Estate Portfolio Segment [Member] |  |  |
Allowance for loan losses | 3,926 | 3,162 | 2,199
Loans, individually evaluated | 497 | 1,183 |
Loans, collectively evaluated | 307,358 | 240,381 |
Loans | 307,855 | 241,564 |
Consumer Real Estate Portfolio Segment [Member] | Individually Evaluated [Member] |  |  |
Allowance for loan losses | 31 | 74 |
Consumer Real Estate Portfolio Segment [Member] | Collectively Evaluated [Member] |  |  |
Allowance for loan losses | 3,895 | 3,088 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Allowance for loan losses | 4,299 | 3,576 | 3,642
Loans, individually evaluated | 10,024 | 8,805 |
Loans, collectively evaluated | 468,054 | 410,325 |
Loans | 478,078 | 419,130 |
Commercial Real Estate Portfolio Segment [Member] | Individually Evaluated [Member] |  |  |
Allowance for loan losses | 49 | 367 |
Commercial Real Estate Portfolio Segment [Member] | Collectively Evaluated [Member] |  |  |
Allowance for loan losses | 4,250 | 3,209 |
Commercial Non Real Estate Segment [Member] |  |  |
Allowance for loan losses | 655 | 682 | 930
Loans, individually evaluated | 0 | 227 |
Loans, collectively evaluated | 51,844 | 41,328 |
Loans | 51,844 | 41,555 |
Commercial Non Real Estate Segment [Member] | Individually Evaluated [Member] |  |  |
Allowance for loan losses | 0 | 126 |
Commercial Non Real Estate Segment [Member] | Collectively Evaluated [Member] |  |  |
Allowance for loan losses | 655 | 556 |
Public Sector and IDA Portfolio Segment [Member] |  |  |
Allowance for loan losses | 336 | 333 | 319
Loans, individually evaluated | 0 | 0 |
Loans, collectively evaluated | 57,171 | 60,551 |
Loans | 57,171 | 60,551 |
Public Sector and IDA Portfolio Segment [Member] | Individually Evaluated [Member] |  |  |
Allowance for loan losses | 0 | 0 |
Public Sector and IDA Portfolio Segment [Member] | Collectively Evaluated [Member] |  |  |
Allowance for loan losses | 336 | 333 |
Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Allowance for loan losses | 648 | 583 | 506
Loans, individually evaluated | 0 | 43 |
Loans, collectively evaluated | 42,867 | 38,953 |
Loans | 42,867 | 38,996 |
Consumer Non Real Estate Portfolio Segment [Member] | Individually Evaluated [Member] |  |  |
Allowance for loan losses | 0 | 5 |
Consumer Non Real Estate Portfolio Segment [Member] | Collectively Evaluated [Member] |  |  |
Allowance for loan losses | 648 | 578 |
Unallocated Financing Receivables [Member] |  |  |
Allowance for loan losses | 50 | 350 | $ 179
Unallocated Financing Receivables [Member] | Individually Evaluated [Member] |  |  |
Allowance for loan losses | 0 |  |
Unallocated Financing Receivables [Member] | Collectively Evaluated [Member] |  |  |
Allowance for loan losses | $ 50 | $ 350 |

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