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Note 2 - Loans and Allowance for Credit Losses - Loans and Allowance for Loan Losses by Evaluation Method (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Allowance for loan losses | $ 9,055 | $ 9,094 | $ 10,650 | $ 8,225
Loans, individually evaluated | 10,565 | 10,544 |  |
Loans, collectively evaluated | 853,526 | 846,631 |  |
Loans | 864,091 | 857,175 |  |
Individually Evaluated [Member] |  |  |  |
Allowance for loan losses | 568 | 572 |  |
Collectively Evaluated [Member] |  |  |  |
Allowance for loan losses | 8,487 | 8,522 |  |
Real Estate Construction Portfolio Segment[Member] |  |  |  |
Allowance for loan losses | 349 | 408 | 451 | 450
Loans, individually evaluated | 280 | 286 |  |
Loans, collectively evaluated | 61,206 | 55,093 |  |
Loans | 61,486 | 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 | 349 | 408 |  |
Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Allowance for loan losses | 2,968 | 3,162 | 3,302 | 2,199
Loans, individually evaluated | 1,237 | 1,183 |  |
Loans, collectively evaluated | 243,709 | 240,381 |  |
Loans | 244,946 | 241,564 |  |
Consumer Real Estate Portfolio Segment [Member] | Individually Evaluated [Member] |  |  |  |
Allowance for loan losses | 74 | 74 |  |
Consumer Real Estate Portfolio Segment [Member] | Collectively Evaluated [Member] |  |  |  |
Allowance for loan losses | 2,894 | 3,088 |  |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Allowance for loan losses | 3,856 | 3,576 | 4,374 | 3,642
Loans, individually evaluated | 8,777 | 8,805 |  |
Loans, collectively evaluated | 405,838 | 410,325 |  |
Loans | 414,615 | 419,130 |  |
Commercial Real Estate Portfolio Segment [Member] | Individually Evaluated [Member] |  |  |  |
Allowance for loan losses | 362 | 367 |  |
Commercial Real Estate Portfolio Segment [Member] | Collectively Evaluated [Member] |  |  |  |
Allowance for loan losses | 3,494 | 3,209 |  |
Commercial Non Real Estate Segment [Member] |  |  |  |
Allowance for loan losses | 647 | 682 | 1,194 | 930
Loans, individually evaluated | 237 | 227 |  |
Loans, collectively evaluated | 41,598 | 41,328 |  |
Loans | 41,835 | 41,555 |  |
Commercial Non Real Estate Segment [Member] | Individually Evaluated [Member] |  |  |  |
Allowance for loan losses | 129 | 126 |  |
Commercial Non Real Estate Segment [Member] | Collectively Evaluated [Member] |  |  |  |
Allowance for loan losses | 518 | 556 |  |
Public Sector and IDA Portfolio Segment[Member] |  |  |  |
Allowance for loan losses | 321 | 333 | 294 | 319
Loans, individually evaluated | 0 | 0 |  |
Loans, collectively evaluated | 59,742 | 60,551 |  |
Loans | 59,742 | 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 | 321 | 333 |  |
Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Allowance for loan losses | 533 | 583 | 555 | 506
Loans, individually evaluated | 34 | 43 |  |
Loans, collectively evaluated | 41,433 | 38,953 |  |
Loans | 41,467 | 38,996 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Individually Evaluated [Member] |  |  |  |
Allowance for loan losses | 3 | 5 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Collectively Evaluated [Member] |  |  |  |
Allowance for loan losses | 530 | 578 |  |
Unallocated Financing Receivables [Member] |  |  |  |
Allowance for loan losses | 381 | 350 | $ 480 | $ 179
Unallocated Financing Receivables [Member] | Individually Evaluated [Member] |  |  |  |
Allowance for loan losses | 0 | 0 |  |
Unallocated Financing Receivables [Member] | Collectively Evaluated [Member] |  |  |  |
Allowance for loan losses | $ 381 | $ 350 |  |

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