Note 5 - Loans and Leases - Non-accrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Nonaccrual loans	$ 3,206	$ 2,949
Commercial Portfolio Segment [Member]
Nonaccrual loans	791	154
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Nonaccrual loans	717	478
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Nonaccrual loans	1,285	1,570
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Nonaccrual loans	0	0
Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Nonaccrual loans	167	97
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Nonaccrual loans	204	78
Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Nonaccrual loans	$ 42	$ 572