Note 4 - Loans - Outstanding Loan Balances (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Gross loans	$ 1,145,943	$ 1,139,732
Deferred fees and costs	143	229
Loans, net of deferred fees and costs	1,146,086	1,139,961
Allowance for loan and lease losses	(17,027)	(16,910)
Net loans	1,129,059	1,123,051
Commercial Portfolio Segment [Member]
Gross loans	117,597	115,559
SBA CARES Act Paycheck Protection Program [Member]
Gross loans	117,991	130,814
Commercial Real Estate Portfolio Segment [Member]
Gross loans	789,669	767,536
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Gross loans	32,145	44,549
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Gross loans	592,157	550,020
Commercial Real Estate Portfolio Segment [Member] \| Commercial Owner Occupied Loan [Member]
Gross loans	165,367	172,967
Residential Portfolio Segment [Member]
Gross loans	101,001	103,854
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Gross loans	27,839	29,035
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Gross loans	54,562	55,925
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans	18,600	18,894
Consumer Portfolio Segment [Member]
Gross loans	$ 19,685	$ 21,969

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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