Note 13 - Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Provision for income taxes at U.S. federal statutory rate	$ 1,834	$ 13,600
Limited tax benefit due to stock-based compensation	377	289
State deferred income taxes	399	587
Other, net	(313)	31
Total provision for income taxes	$ 2,297	$ 14,507
Effective income tax rate	26.30%	22.40%