Note 12 - Net Income Per Share - Computation of Net Income Allocated to Common Shareholders (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net income - basic	$ 44,793	$ 18,105
Weighted average shares outstanding - basic (in shares)	33,133	32,043
Basic earnings per common share (in dollars per share)	$ 1.35	$ 0.57
Add: Convertible Notes interest expense, net of tax	$ 1,201	$ 527
Net income - diluted	$ 45,994	$ 18,632
Add: Dilutive effects of if converted Convertible Notes (in shares)	3,164	1,398
Add: Dilutive effects of Restricted Stock Units (in shares)	530	208
Weighted average shares outstanding - diluted (in shares)	36,827	33,649
Diluted net earnings per share (in dollars per share)	$ 1.25	$ 0.55