Note 5 - Loans - Outstanding Loan Balances (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Commercial Portfolio Segment [Member]
Gross loans	$ 136,235	$ 132,805
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Gross loans	48,365	28,319
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Gross loans	281,977	243,374
Commercial Real Estate Portfolio Segment [Member] \| Commercial Owner Occupied Loan [Member]
Gross loans	160,474	156,299
Commercial Real Estate Portfolio Segment [Member]
Gross loans	490,816	427,992
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Gross loans	46,458	49,106
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Gross loans	10,770	11,390
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans	42,363	45,473
Residential Portfolio Segment [Member]
Gross loans	99,591	105,969
Consumer Portfolio Segment [Member]
Gross loans	52,377	49,873
Gross loans	779,019	716,639
Deferred fees and costs	1,155	870
Loans, net of deferred fees and costs	780,174	717,509
Allowance for loan and lease losses	(11,849)	(11,180)
Net loans	$ 768,325	$ 706,329

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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