Note 5 - Premises and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lease expenses	$ 636	$ 662
Increase in ROU assets capitalized	0	0
Interest income from direct financing lease	4,000	5,100
Net investment in direct financing lease	44,200	65,300
Accounting Standards Update 2016-13
Right of use assets	1,300	1,700
Operating lease liability	$ 1,300	$ 1,700