Note 3 - Revenue From Contracts With Customers - Contract Balance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Contract assets as of January 1, 2022	$ 7,347	$ 5,672
Revenues recorded during the period	12,941	15,848
Transferred to Accounts receivable or collected	(9,094)	(14,173)
Contract assets, balance	11,194	7,347
Contract liabilities as of January 1, 2022	17,666	4,768
Prepaid customer deposit	12,946	12,811
Accruals for estimated future stock rotation and scrap returns	9,867	6,142
Less: Release of accruals for recognized stock rotation and scrap returns	(9,283)	(6,055)
Less: Product shipments from prepaid customer deposit	(12,946)	(12,811)
Contract liabilities, balance	$ 5,304	$ 17,666