Note 4 - Premises and Equipment - Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Premises and Equipment, gross	$ 35,634	$ 30,353
Less accumulated depreciation and amortization	(15,804)	(15,568)
Property, Plant and Equipment, Net, Ending Balance	19,830	14,785
Land [Member]
Premises and Equipment, gross	2,907	2,564
Building [Member]
Premises and Equipment, gross	6,697	6,075
Building Improvements [Member]
Premises and Equipment, gross	14,492	12,067
Furniture, Fixtures, and Equipment [Member]
Premises and Equipment, gross	7,512	7,063
Software and Software Development Costs [Member]
Premises and Equipment, gross	599	1,261
Automobiles [Member]
Premises and Equipment, gross	66	66
Construction in Progress [Member]
Premises and Equipment, gross	$ 3,361	$ 1,257

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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