Note 3 - Loans - Analysis of the Credit Risk Profile of Each Loan Class (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Loans	$ 920,523	$ 825,118
Pass [Member]
Loans	915,590	821,418
Special Mention [Member]
Loans	1,959	1,081
Substandard [Member]
Loans	2,974	2,619
Doubtful [Member]
Loans	0	0
Real Estate 1 [Member] \| Construction and Land Development [Member]
Loans	51,840	55,721
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Pass [Member]
Loans	50,795	55,721
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Special Mention [Member]
Loans	0	0
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Substandard [Member]
Loans	1,045	0
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Doubtful [Member]
Loans	0	0
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member]
Loans	331,421	291,990
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Pass [Member]
Loans	330,590	290,909
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Special Mention [Member]
Loans	0	0
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Substandard [Member]
Loans	831	1,081
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Doubtful [Member]
Loans	0	0
Real Estate 1 [Member] \| Other Real Estate Loans [Member]
Loans	418,456	364,921
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Pass [Member]
Loans	416,559	364,892
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Special Mention [Member]
Loans	1,884	0
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Substandard [Member]
Loans	13	29
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Doubtful [Member]
Loans	0	0
Commercial and Industrial Loans [Member]
Loans	111,225	99,805
Commercial and Industrial Loans [Member] \| Pass [Member]
Loans	110,065	97,215
Commercial and Industrial Loans [Member] \| Special Mention [Member]
Loans	75	1,081
Commercial and Industrial Loans [Member] \| Substandard [Member]
Loans	1,085	1,509
Commercial and Industrial Loans [Member] \| Doubtful [Member]
Loans	0	0
Consumer and Other Loans [Member]
Loans	7,581	12,681
Consumer and Other Loans [Member] \| Pass [Member]
Loans	7,581	12,681
Consumer and Other Loans [Member] \| Special Mention [Member]
Loans	0	0
Consumer and Other Loans [Member] \| Substandard [Member]
Loans	0	0
Consumer and Other Loans [Member] \| Doubtful [Member]
Loans	$ 0	$ 0