Note 12 - Leases - Lease Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Right-of-use lease	$ 3,464
Weighted Average Remaining Lease Term (Year)	5 years 197 days
Weighted Average Discount Rate	2.96%
Operating lease expense	$ 830	793
Cash paid for operating leases	897	809
Other Liabilities [Member]
Lease liability	$ 3,855	$ 459