Note 1 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 27, 2026	Jun. 28, 2025	Jun. 27, 2026	Jun. 28, 2025
Net sales	$ 149,002	$ 107,680	$ 274,121	$ 204,477
MALAYSIA
Net sales	26,547	10,847	47,386	29,009
TAIWAN
Net sales	19,908	22,581	34,726	28,868
PHILIPPINES
Net sales	17,704	15,803	34,490	28,989
CHINA
Net sales	17,617	16,971	31,124	31,099
Rest of the World [Member]
Net sales	67,226	41,478	126,395	86,512
Systems [Member]
Net sales	70,662	39,643	120,102	75,285
Non-systems [Member]
Net sales	$ 78,340	$ 68,037	$ 154,019	$ 129,192

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details