Note 9 - Employee Benefits - Restricted Stock Unit Activity (Details)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Nonvested Balance (in shares) | shares	259,059
Nonvested, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 13.30
Granted, Restricted Stock Units (in shares) | shares	219,945
Granted, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 17.05
Vested, Restricted Stock Units (in shares) | shares	(205,403)
Vested, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 13.71
Nonvested Balance (in shares) | shares	273,601
Nonvested, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 15.72