Note 9 - Leases - Lease Balance Classifications Within the Consolidated Balance Sheets and Lease Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Balance	$ 17,590
Right-of-use assets obtained for new lease contracts during the period	3,718
Amortization of right-of-use assets during the period	(6,764)	$ (6,512)	$ (6,587)
Adjustments for present value and foreign currency effects	(57)
Balance	14,487	17,590
Balance	20,072
Lease liabilities incurred for new lease contracts during the period	3,718
Accretion of lease liabilities	1,003
Operating cash used for payments on lease liabilities	(8,344)	(7,419)	$ (7,639)
Adjustments for present value and foreign currency effects	(139)
Balance	16,310	20,072
Long-term operating lease liabilities, net of current portion	10,739	$ 13,618
Accounts Payable and Accrued Liabilities [Member]
Less: Current portion of operating lease liabilities (included in Accrued liabilities)	$ (5,571)