Note 1 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Net sales	$ 107,614	$ 179,371
Malaysia [Member]
Net sales	16,899	31,895
UNITED STATES
Net sales	14,642	18,743
SINGAPORE
Net sales	12,064	10,706
PHILIPPINES
Net sales	11,842	31,790
CHINA
Net sales	11,744	21,110
Rest of the World [Member]
Net sales	40,423	65,127
Systems [Member]
Net sales	37,311	102,984
Non-systems [Member]
Net sales	$ 70,303	$ 76,387