Note 4 - Loans - Outstanding Loan Balances (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Gross loans	$ 1,052,245	$ 1,032,903
Deferred fees and costs	2,129	2,162
Loans, net of deferred fees and costs	1,054,374	1,035,065
Allowance for loan and lease losses	(15,067)	(12,231)
Net loans	1,039,307	1,022,834
Commercial Portfolio Segment [Member]
Gross loans	138,870	141,197
Commercial Real Estate Portfolio Segment [Member]
Gross loans	765,765	739,583
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Gross loans	34,394	26,830
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Gross loans	514,052	493,920
Commercial Real Estate Portfolio Segment [Member] \| Commercial Owner Occupied Loan [Member]
Gross loans	217,319	218,833
Residential Portfolio Segment [Member]
Gross loans	117,689	118,799
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Gross loans	31,998	33,039
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Gross loans	62,533	63,661
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans	23,158	22,099
Consumer Portfolio Segment [Member]
Gross loans	$ 29,921	$ 33,324

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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