Note 14 - Earnings Per Share - Computation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net income available to common shareholders	$ 18,210	$ 30,021
Weighted-average common shares outstanding (in shares)	5,676,711	5,644,599
Basic EPS (in dollars per share)	$ 3.21	$ 5.32
Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares)	39,991	34,540
Weighted-average common and potentially dilutive shares outstanding (in shares)	5,716,702	5,679,139
Diluted EPS (in dollars per share)	$ 3.19	$ 5.29