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Note 8 - Loans and Related Allowance for Loan and Lease Losses - Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Total loans	$ 977,720	$ 981,691
Financial Asset, Not Past Due [Member]
Total loans	975,220	977,994
Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	1,483	2,276
Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	172	190
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	845	1,231
Financial Asset, Past Due [Member]
Total loans	2,500	3,697
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member]
Total loans	113,590	111,470
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, Not Past Due [Member]
Total loans	113,458	111,257
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	0	81
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	132	132
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	0	0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, Past Due [Member]
Total loans	132	213
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member]
Total loans	293,745	283,618
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, Not Past Due [Member]
Total loans	293,276	282,365
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	96	880
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	373	373
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, Past Due [Member]
Total loans	469	1,253
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member]
Total loans	29,385	31,189
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, Not Past Due [Member]
Total loans	29,385	31,189
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, Past Due [Member]
Total loans	0	0
Residential Portfolio Segment [Member]
Total loans	244,747	240,089
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Total loans	243,784	238,483
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	636	1,187
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	3	0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	324	419
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Total loans	963	1,606
Commercial And Industrial [Member]
Total loans	131,683	148,812
Commercial And Industrial [Member] | Financial Asset, Not Past Due [Member]
Total loans	131,002	148,437
Commercial And Industrial [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	568	112
Commercial And Industrial [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	33	0
Commercial And Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	80	263
Commercial And Industrial [Member] | Financial Asset, Past Due [Member]
Total loans	681	375
Home Equity Lines of Credit [Member]
Total loans	106,300	104,355
Home Equity Lines of Credit [Member] | Financial Asset, Not Past Due [Member]
Total loans	106,082	104,316
Home Equity Lines of Credit [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	150	0
Home Equity Lines of Credit [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	0	39
Home Equity Lines of Credit [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	68	0
Home Equity Lines of Credit [Member] | Financial Asset, Past Due [Member]
Total loans	218	39
Construction and Other [Member]
Total loans	50,152	54,148
Construction and Other [Member] | Financial Asset, Not Past Due [Member]
Total loans	50,152	54,148
Construction and Other [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	0	0
Construction and Other [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	0	0
Construction and Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	0	0
Construction and Other [Member] | Financial Asset, Past Due [Member]
Total loans	0	0
Consumer Portfolio Segment [Member]
Total loans	8,118	8,010
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Total loans	8,081	7,799
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	33	16
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	4	19
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	0	176
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Total loans	$ 37	$ 211

X

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524

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