Note 7 - Long-term Debt - Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Contractual interest	$ 2,701	$ 4,500	$ 2,304
Amortization of original issuance discount and debt costs	266	310	362
Total interest expense related to long-term debt	$ 2,967	$ 4,810	$ 2,666