Note 9 - Leases (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Operating Lease, Weighted Average Remaining Lease Term (Year)	3 years
Operating Lease, Weighted Average Discount Rate, Percent	6.00%
Operating Lease, Cost	$ 8.5	$ 7.8	$ 7.6
Operating Lease Liability for Previously Restructured Facilities	$ 3.0
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)	1 year
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	5 years
Lessee, Operating Lease, Option to Extend, Period (Year)	5 years
Lessee, Operating Lease, Option to Terminate Period (Year)	1 year