Note 4 - Loans - Outstanding Loan Balances (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Gross loans	$ 1,206,065	$ 1,032,903
Deferred (fees) and costs	(1,037)	2,162
Loans, net of deferred fees and costs	1,205,028	1,035,065
Allowance for loan and lease losses	(16,873)	(12,231)
Net loans	1,188,155	1,022,834
Commercial Portfolio Segment [Member]
Gross loans	121,025	141,197
SBA CARES Act Paycheck Protection Program [Member]
Gross loans	163,493	0
Commercial Real Estate Portfolio Segment [Member]
Gross loans	788,823	739,583
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Gross loans	40,289	26,830
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Gross loans	538,079	493,920
Commercial Real Estate Portfolio Segment [Member] \| Commercial Owner Occupied Loan [Member]
Gross loans	210,455	218,833
Residential Portfolio Segment [Member]
Gross loans	108,234	118,799
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Gross loans	30,071	33,039
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Gross loans	57,867	63,661
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans	20,296	22,099
Consumer Portfolio Segment [Member]
Gross loans	$ 24,490	$ 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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