Note 8 - Stock-based Compensation - Stock-based Compensation Plan Expenses (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share based compensation expense		$ 205,640	$ 149,711	$ 160,992
Tax benefit related to stock-based compensation	[1]	3,040	2,519	2,498
Cost of Sales [Member]
Share based compensation expense		6,305	4,545	4,721
Research and Development Expense [Member]
Share based compensation expense		45,626	36,611	35,355
Selling, General and Administrative Expenses [Member]
Share based compensation expense		$ 153,709	$ 108,555	$ 120,916

[1] Amount reflects the tax benefit related to stock-based compensation recorded for equity awards that are expected to generate tax deductions when they vest in future periods. Equity awards granted to the Company’s executive officers are subject to the tax deduction limitations set by Section 162(m) of the Internal Revenue Code.