Note 8 - Major Classes of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	$ 821,129	$ 820,419
Net unearned costs	154	197
Loans receivable	821,283	820,616
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	164,071	168,031
Commercial Portfolio Segment [Member] \| Construction Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	47,634	56,209
Commercial Portfolio Segment [Member] \| Secured by Commercial Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	351,550	336,050
Commercial Portfolio Segment [Member] \| Secured by Residential Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	70,652	72,443
State and Political Subdivisions Portfolio Segment [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	38,248	38,376
Retail Portfolio Segment [Member] \| Consumer Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	6,232	6,530
Retail Portfolio Segment [Member] \| Family Residential Mortgages [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	70,284	69,469
Retail Portfolio Segment [Member] \| Home Equity Loans and Lines [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	$ 72,458	$ 73,311

Net unearned costs on loans and leases receivable.

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- Definition

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+ References

No definition available.

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

+ References

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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=118952595&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 http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524

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