Note 8 - Major Classes of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	$ 608,124	$ 615,263
Net unearned costs	107	7
Loans receivable	608,231	615,270
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	110,892	124,397
Commercial Portfolio Segment [Member] \| Construction Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	32,133	27,372
Commercial Portfolio Segment [Member] \| Secured by Commercial Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	233,430	235,171
Commercial Portfolio Segment [Member] \| Secured by Residential Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	65,671	63,164
State and Political Subdivisions Portfolio Segment [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	35,033	40,285
Finance Leases Portfolio Segment [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	8,707	10,371
Retail Portfolio Segment [Member] \| Consumer Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	5,306	4,286
Retail Portfolio Segment [Member] \| Family Residential Mortgages [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	46,544	42,833
Retail Portfolio Segment [Member] \| Home Equity Loan [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans and leases receivable	$ 70,408	$ 67,384

Loans and leases receivable net unearned costs.

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524

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