Note 14 - Segment Information - Total Assets by Geographic Area (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Total assets	$ 120,484	$ 87,964	$ 72,852
UNITED STATES
Total assets	110,781	81,558	67,296
CANADA
Total assets	1,880	1,640	1,327
PUERTO RICO
Total assets	3,476	1,401	963
Europe [Member]
Total assets	$ 4,347	$ 3,365	$ 3,266