Note 9 - Stock-based Compensation - Stock-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Total stock-based compensation	$ 21,489	$ 13,124	$ 35,744	$ 27,249
Cost of Sales [Member]
Total stock-based compensation	1,414	890	2,367	1,825
Research and Development Expense [Member]
Total stock-based compensation	7,647	4,691	12,986	9,536
Selling, General and Administrative Expenses [Member]
Total stock-based compensation	$ 12,428	$ 7,543	$ 20,391	$ 15,888