Note 3 - Revenue From Contracts With Customers - Contract Balance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Contract assets, balance	$ 11,194	$ 7,347
Revenues recorded during the period	14,408	12,941
Transferred to Accounts receivable or collected	(7,724)	(9,094)
Contract assets, balance	17,878	11,194	$ 7,347
Contract liabilities, balance		$ 5,304	17,666
Less: Product shipments from prepaid customer deposit			(12,946)
Accruals for estimated future stock rotation and scrap returns	13,051		9,867
Less: Release of accruals for recognized stock rotation and scrap returns	(14,118)		(9,283)
Unperformed performance obligations	6,945
Contract liabilities, balance	$ 11,182		$ 5,304