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Note 3 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Dec. 31, 2021
Loans	$ 969,430		$ 920,523
Allowance for credit losses	(11,974)	$ (7,446)	(7,446)	$ (5,710)
Loans, net	957,456		913,077
Commercial and Industrial Loans [Member]
Loans	113,074		111,225
Allowance for credit losses	(3,706)	(1,874)	(1,874)	(718)
Consumer and Other Loans [Member]
Loans	12,035		7,581
Allowance for credit losses	(99)	(309)	(309)	(340)
Construction and Land Development [Member] | Real Estate 1 [Member]
Loans	52,680		51,840
Allowance for credit losses	(312)	(546)	(546)	(345)
Secured by Multi-family Residential Properties [Member] | Real Estate 1 [Member]
Loans	344,369		331,421
Allowance for credit losses	(3,159)	(1,108)	(1,108)	(1,077)
Other Real Estate Loans [Member] | Real Estate 1 [Member]
Loans	447,272		418,456
Allowance for credit losses	$ (4,698)	$ (3,609)	(3,609)	$ (3,230)
Consumer and Other Loans [Member] | Consumer and Other Loans [Member]
Loans			$ 7,581

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