Note 3 - Stock-based Compensation - Stock-based Compensation Plan Expenses (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Share based compensation expense		$ 45,926	$ 37,009
Tax benefit related to stock-based compensation	[1]	708	423
Cost of Sales [Member]
Share based compensation expense		1,398	1,147
Research and Development Expense [Member]
Share based compensation expense		10,447	8,614
Selling, General and Administrative Expenses [Member]
Share based compensation expense		$ 34,081	$ 27,248

[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.