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Note 8 - Loans and Related Allowance for Loan and Lease Losses - Primary Segments of the Loan Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Individually evaluated for impairment	$ 12,886	$ 13,070
Collectively evaluated for impairment	985,114	971,188
Total loans	998,000	984,258
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member]
Individually evaluated for impairment	3,432	3,474
Collectively evaluated for impairment	109,840	98,912
Total loans	113,272	102,386
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member]
Individually evaluated for impairment	7,043	7,084
Collectively evaluated for impairment	285,732	295,096
Total loans	292,775	302,180
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member]
Individually evaluated for impairment
Collectively evaluated for impairment	52,276	62,028
Total loans	52,276	62,028
Residential Portfolio Segment [Member]
Individually evaluated for impairment	1,152	1,278
Collectively evaluated for impairment	232,748	233,520
Total loans	233,900	234,798
Commercial And Industrial [Member]
Individually evaluated for impairment	911	882
Collectively evaluated for impairment	105,886	88,645
Total loans	106,797	89,527
Home Equity Lines of Credit [Member]
Individually evaluated for impairment	347	351
Collectively evaluated for impairment	114,586	111,897
Total loans	114,933	112,248
Construction and Other [Member]
Individually evaluated for impairment
Collectively evaluated for impairment	71,186	66,680
Total loans	71,186	66,680
Consumer Portfolio Segment [Member]
Individually evaluated for impairment	1	1
Collectively evaluated for impairment	12,860	14,410
Total loans	$ 12,861	$ 14,411

X

- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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X

- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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- 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 http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

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