Note 8 - Loans and Related Allowance for Loan and Lease Losses - Classes of the Loan Portfolio Summarized by Credit Quality (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Loans	$ 977,720	$ 981,691
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Loan [Member]
Loans	113,590	111,470
Commercial Real Estate Portfolio Segment [Member] \| Non-owner occupied Loan [Member]
Loans	293,745	283,618
Commercial Real Estate Portfolio Segment [Member] \| Multifamily Loan [Member]
Loans	29,385	31,189
Residential Portfolio Segment [Member]
Loans	244,747	240,089
Commercial And Industrial [Member]
Loans	131,683	148,812
Home Equity Lines of Credit [Member]
Loans	106,300	104,355
Construction and Other [Member]
Loans	50,152	54,148
Consumer Portfolio Segment [Member]
Loans	8,118	8,010
Pass [Member]
Loans	897,279	912,229
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Loan [Member]
Loans	106,422	104,217
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner occupied Loan [Member]
Loans	241,133	230,672
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Multifamily Loan [Member]
Loans	29,385	31,189
Pass [Member] \| Residential Portfolio Segment [Member]
Loans	242,397	237,132
Pass [Member] \| Commercial And Industrial [Member]
Loans	124,823	143,911
Pass [Member] \| Home Equity Lines of Credit [Member]
Loans	105,182	103,296
Pass [Member] \| Construction and Other [Member]
Loans	39,823	53,807
Pass [Member] \| Consumer Portfolio Segment [Member]
Loans	8,114	8,005
Special Mention [Member]
Loans	9,246	8,527
Special Mention [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Loan [Member]
Loans	2,373	2,400
Special Mention [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner occupied Loan [Member]
Loans	2,978	3,038
Special Mention [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Multifamily Loan [Member]
Loans	0	0
Special Mention [Member] \| Residential Portfolio Segment [Member]
Loans	0	0
Special Mention [Member] \| Commercial And Industrial [Member]
Loans	3,556	2,748
Special Mention [Member] \| Home Equity Lines of Credit [Member]
Loans	0	0
Special Mention [Member] \| Construction and Other [Member]
Loans	339	341
Special Mention [Member] \| Consumer Portfolio Segment [Member]
Loans	0	0
Substandard [Member]
Loans	71,195	60,935
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Loan [Member]
Loans	4,795	4,853
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner occupied Loan [Member]
Loans	49,634	49,908
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Multifamily Loan [Member]
Loans	0	0
Substandard [Member] \| Residential Portfolio Segment [Member]
Loans	2,350	2,957
Substandard [Member] \| Commercial And Industrial [Member]
Loans	3,304	2,153
Substandard [Member] \| Home Equity Lines of Credit [Member]
Loans	1,118	1,059
Substandard [Member] \| Construction and Other [Member]
Loans	9,990	0
Substandard [Member] \| Consumer Portfolio Segment [Member]
Loans	4	5
Doubtful [Member]
Loans	0	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Loan [Member]
Loans	0	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner occupied Loan [Member]
Loans	0	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Multifamily Loan [Member]
Loans	0	0
Doubtful [Member] \| Residential Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] \| Commercial And Industrial [Member]
Loans	0	0
Doubtful [Member] \| Home Equity Lines of Credit [Member]
Loans	0	0
Doubtful [Member] \| Construction and Other [Member]
Loans	0	0
Doubtful [Member] \| Consumer Portfolio Segment [Member]
Loans	$ 0	$ 0

Note 8 - Loans and Related Allowance for Loan and Lease Losses - Classes of the Loan Portfolio Summarized by Credit Quality (Details) - USD ($)
$ in Thousands