Note 4 - Loans - Outstanding Loan Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Gross loans	$ 1,036,724	$ 946,251
Deferred fees and costs	2,005	1,927
Loans, net of deferred fees and costs	1,038,729	948,178
Allowance for loan and lease losses	(12,445)	(12,292)
Net loans	1,026,284	935,886
Commercial Portfolio Segment [Member]
Gross loans	152,303	135,543
Commercial Real Estate Portfolio Segment [Member]
Gross loans	717,102	660,893
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Gross loans	37,685	22,563
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Gross loans	468,706	433,708
Commercial Real Estate Portfolio Segment [Member] \| Commercial Owner Occupied Loan [Member]
Gross loans	210,711	204,622
Residential Portfolio Segment [Member]
Gross loans	125,910	98,770
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Gross loans	35,162	37,446
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Gross loans	67,092	34,366
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans	23,656	26,958
Consumer Portfolio Segment [Member]
Gross loans	$ 41,409	$ 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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