Note 3 - Stock-based Compensation - Stock-based Compensation Plan Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share based compensation expense	$ 60,098	$ 52,306	$ 112,904	$ 98,232
Tax benefit related to stock-based compensation (1)	703	798	1,163	1,506
Cost of Sales [Member]
Share based compensation expense	1,913	1,611	3,586	3,009
Research and Development Expense [Member]
Share based compensation expense	12,469	11,682	24,147	22,129
Selling, General and Administrative Expenses [Member]
Share based compensation expense	$ 45,716	$ 39,013	$ 85,171	$ 73,094