Note 13 - Earnings Per Share - Reconciliation of Basic and Diluted Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Net Income	$ 13,881	$ 9,039
Weighted-average basic shares outstanding (in shares)	8,574,019	8,777,066
Effect of dilutive securities (in shares)	25,000	33,000
Weighted-average diluted shares (in shares)	8,598,546	8,809,603
Basic earnings per share (in dollars per share)	$ 1.62	$ 1.03
Diluted earnings per share (in dollars per share)	$ 1.61	$ 1.03