Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 31, 2022	Jan. 01, 2022
Revenue	$ 737,154	$ 660,356	$ 660,356	$ 515,327
Percentage of revenue	100.00%	100.00%		100.00%
CHINA
Revenue	$ 239,192	$ 296,917		$ 281,237
Percentage of revenue	32.00%	45.00%		55.00%
JAPAN
Revenue	$ 110,403	$ 90,902		$ 47,915
Percentage of revenue	15.00%	14.00%		9.00%
Other Asia [Member]
Revenue	$ 94,170	$ 77,085		$ 55,416
Percentage of revenue	13.00%	12.00%		10.00%
Asia [Member]
Revenue	$ 443,765	$ 464,904		$ 384,568
Percentage of revenue	60.00%	71.00%		74.00%
Americas [Member]
Revenue	$ 145,839	$ 100,260		$ 80,870
Percentage of revenue	20.00%	15.00%		16.00%
Europe [Member]
Revenue	$ 147,550	$ 95,192		$ 49,889
Percentage of revenue	20.00%	14.00%		10.00%
Product [Member] | Sales Channel, Through Intermediary [Member]
Revenue	$ 644,181	$ 591,229		$ 449,650
Percentage of revenue	87.00%	89.00%		87.00%
Product [Member] | Sales Channel, Directly to Consumer [Member]
Revenue	$ 92,973	$ 69,127		$ 65,677
Percentage of revenue	13.00%	11.00%		13.00%