Note 5 - Loans - Outstanding Loan Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Gross loans	$ 804,211	$ 716,639
Deferred fees and costs	1,324	870
Loans, net of deferred fees and costs	805,535	717,509
Allowance for loan and lease losses	(11,544)	(11,180)
Net loans	793,991	706,329
Commercial Portfolio Segment [Member]
Gross loans	153,844	132,805
Commercial Real Estate Portfolio Segment [Member]
Gross loans	496,742	427,992
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Gross loans	57,771	28,319
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Gross loans	287,455	243,374
Commercial Real Estate Portfolio Segment [Member] \| Commercial Owner Occupied Loan [Member]
Gross loans	151,516	156,299
Residential Portfolio Segment [Member]
Gross loans	101,944	105,969
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Gross loans	45,566	49,106
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Gross loans	12,866	13,640
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans	43,512	43,223
Consumer Portfolio Segment [Member]
Gross loans	$ 51,681	$ 49,873

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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