Note 12 - Leases - Lease Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Right-of-use lease asset	$ 2,547	$ 3,464
Weighted Average Remaining Lease Term (in years) (Year)	4 years 3 months 14 days	5 years 6 months 14 days
Weighted Average Discount Rate	2.93%	2.96%
Operating lease expense	$ 856	$ 830
Cash paid for operating leases	950	897
Other Liabilities [Member]
Lease liability	$ 2,848	$ 3,855