Note 3 - Loans - Analysis of the Credit Risk Profile of Each Loan Class (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans	$ 825,118	$ 629,914
Pass [Member]
Loans	821,418	621,806
Special Mention [Member]
Loans	1,081	0
Substandard [Member]
Loans	2,619	8,108
Doubtful [Member]
Loans	0	0
Real Estate 1 [Member] \| Construction and Land Development [Member]
Loans	55,721	27,328
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Pass [Member]
Loans	55,721	26,896
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	0	432
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	291,990	235,814
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Pass [Member]
Loans	290,909	235,035
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	1,081	779
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	364,921	246,883
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Pass [Member]
Loans	364,892	242,441
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Special Mention [Member]
Loans	0	0
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Substandard [Member]
Loans	29	4,442
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Doubtful [Member]
Loans	0	0
Commercial and Industrial Loans [Member]
Loans	99,805	109,838
Commercial and Industrial Loans [Member] \| Pass [Member]
Loans	97,215	107,383
Commercial and Industrial Loans [Member] \| Special Mention [Member]
Loans	1,081	0
Commercial and Industrial Loans [Member] \| Substandard [Member]
Loans	1,509	2,455
Commercial and Industrial Loans [Member] \| Doubtful [Member]
Loans	0	0
Consumer and Other Loans [Member]
Loans	12,681	10,051
Consumer and Other Loans [Member] \| Pass [Member]
Loans	12,681	10,051
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