Note 9 - Premises and Equipment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Capitalized Interest	$ 0	$ 0
Depreciation, Total	$ 3,608	$ 3,587	$ 3,223
Building [Member]
Property, Plant and Equipment, Useful Life (Year)	30 years
Furniture and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Furniture and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years