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Note 3 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 30, 2022
--- | --- | --- | --- | --- | ---
Loans | $ 972,974 | $ 969,430 | $ 917,967 |  |
Allowance for credit losses | (12,603) | (11,974) | (8,717) | $ (7,446) | $ (7,446)
Loans, net | 960,371 | 957,456 |  |  |
Commercial and Industrial Loans [Member] |  |  |  |  |
Loans | 113,562 | 113,074 | 110,937 |  |
Allowance for credit losses | (4,493) | (3,706) | (617) | (1,874) | (1,874)
Consumer and Other Loans [Member] |  |  |  |  |
Loans | 13,949 | 12,035 | 8,117 |  |
Allowance for credit losses | (74) | (99) | (94) | (309) | (309)
Construction and Land Development [Member] | Real Estate 1 [Member] |  |  |  |  |
Loans | 53,364 | 52,680 | 48,610 |  |
Allowance for credit losses | (355) | (312) | (244) | (546) | (546)
Secured by Multi-family Residential Properties [Member] | Real Estate 1 [Member] |  |  |  |  |
Loans | 347,014 | 344,369 | 334,302 |  |
Allowance for credit losses | (2,757) | (3,159) | (2,596) | (1,108) | (1,108)
Other Real Estate Loans [Member] | Real Estate 1 [Member] |  |  |  |  |
Loans | 445,085 | 447,272 | 416,001 |  |
Allowance for credit losses | $ (4,924) | $ (4,698) | $ (5,166) | $ (3,609) | $ (3,609)

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