Note 11 - Income Tax - Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
State taxes, net of federal tax benefit	2.70%	3.20%	4.00%
Tax credits	(0.10%)	(0.70%)	(1.70%)
Return to provision adjustments	(3.20%)	0.00%	0.70%
Foreign rate differential	(9.30%)	(3.70%)	0.00%
GILTI impact	4.50%	0.80%	0.00%
FDII impact	(0.70%)	0.00%	0.00%
Excess tax benefits on equity awards	(1.90%)	(0.60%)	(0.20%)
162m limitations	1.90%	0.80%	0.70%
Increases in uncertain tax positions	1.30%	0.00%	0.00%
Other	0.50%	(0.10%)	0.80%
Change in valuation allowance	0.00%	0.00%	(0.20%)
Effective tax rate	16.70%	20.70%	25.10%