Note 15 - Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Balance	$ 1,196	$ 1,196	$ 0
Gross increases: tax positions in prior period	0	0	0
Gross increases: tax positions in current period	0	0	1,196
Balance	$ 1,196	$ 1,196	$ 1,196