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Note 1 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Net sales	$ 104,701	$ 168,921	$ 212,315	$ 348,292
UNITED STATES
Net sales	17,173	15,750	31,815	34,493
CHINA
Net sales	19,072	28,394	30,816	49,504
Malaysia [Member]
Net sales	13,791	23,258	30,690	55,153
SINGAPORE
Net sales	12,929	13,988	24,993	24,694
PHILIPPINES
Net sales	9,708	25,359	21,550	57,149
Rest of the World [Member]
Net sales	32,028	62,172	72,451	127,299
Systems [Member]
Net sales	35,272	87,312	72,583	190,296
Non-systems [Member]
Net sales	$ 69,429	$ 81,609	$ 139,732	$ 157,996

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