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Note 3 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | ---
Loans | $ 952,499 |  | $ 920,523 | $ 906,514 |
Allowance for credit losses | (8,896) | $ (7,446) | (7,446) | (6,292) | $ (5,710)
Loans, net | 943,603 |  | 913,077 |  |
Commercial and Industrial Loans [Member] |  |  |  |  |
Loans | 117,130 |  | 111,225 | 112,145 |
Allowance for credit losses | (920) | (1,874) | (1,874) | (931) | (718)
Consumer and Other Loans [Member] |  |  |  |  |
Loans | 11,014 |  | 7,581 | 8,099 |
Allowance for credit losses | (96) | (309) | (309) | (270) | (340)
Construction and Land Development [Member] | Real Estate 1 [Member] |  |  |  |  |
Loans | 50,405 |  | 51,840 | 51,352 |
Allowance for credit losses | (302) | (546) | (546) | (454) | (345)
Secured by Multi-family Residential Properties [Member] | Real Estate 1 [Member] |  |  |  |  |
Loans | 340,773 |  | 331,421 | 317,414 |
Allowance for credit losses | (2,433) | (1,108) | (1,108) | (1,064) | (1,077)
Other Real Estate Loans [Member] | Real Estate 1 [Member] |  |  |  |  |
Loans | 433,177 |  | 418,456 | 417,504 |
Allowance for credit losses | $ (5,145) | $ (3,609) | (3,609) | $ (3,573) | $ (3,230)
Consumer and Other Loans [Member] | Consumer and Other Loans [Member] |  |  |  |  |
Loans |  |  | $ 7,581 |  |

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