Note 5 - Premises, Equipment and Leases - Major Classification of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Premise and equipment, gross	$ 36,250	$ 36,175
Less: accumulated depreciation and amortization	18,048	17,134
Net premises and equipment	18,202	19,041
Land [Member]
Premise and equipment, gross	5,290	5,269
Building and Building Improvements [Member]
Premise and equipment, gross	15,228	15,127
Leasehold Improvements [Member]
Premise and equipment, gross	1,541	1,522
Furniture Fixtures and Equipment [Member]
Premise and equipment, gross	10,749	10,539
Software Development [Member]
Premise and equipment, gross	3,440	3,397
Construction in Progress [Member]
Premise and equipment, gross	$ 2	$ 321

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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