Note 4 - Loans - Outstanding Loan Balances (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Gross loans	$ 1,033,082	$ 946,251
Deferred fees and costs	1,980	1,927
Loans, net of deferred fees and costs	1,035,062	948,178
Allowance for loan and lease losses	(12,285)	(12,292)
Net loans	1,022,777	935,886
Commercial Portfolio Segment [Member]
Gross loans	152,195	135,543
Commercial Real Estate Portfolio Segment [Member]
Gross loans	722,051	660,893
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Gross loans	35,606	22,563
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Gross loans	475,678	433,708
Commercial Real Estate Portfolio Segment [Member] \| Commercial Owner Occupied Loan [Member]
Gross loans	210,767	204,622
Residential Portfolio Segment [Member]
Gross loans	121,512	98,770
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Gross loans	34,036	37,446
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Gross loans	64,747	34,366
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans	22,729	26,958
Consumer Portfolio Segment [Member]
Gross loans	$ 37,324	$ 51,045

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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