Note 5 - Loans - Outstanding Loan Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Commercial Portfolio Segment [Member]
Gross loans	$ 150,410	$ 132,805
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Gross loans	39,009	28,319
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Gross loans	253,873	243,374
Commercial Real Estate Portfolio Segment [Member] \| Commercial Owner Occupied Loan [Member]
Gross loans	154,480	156,299
Commercial Real Estate Portfolio Segment [Member]
Gross loans	447,362	427,992
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Gross loans	47,188	49,106
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Gross loans	10,862	11,390
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans	43,971	45,473
Residential Portfolio Segment [Member]
Gross loans	102,021	105,969
Consumer Portfolio Segment [Member]
Gross loans	54,347	49,873
Gross loans	754,140	716,639
Deferred fees and costs	1,028	870
Loans, net of deferred fees and costs	755,168	717,509
Allowance for loan and lease losses	(11,864)	(11,180)
Net loans	$ 743,304	$ 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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