Note 10 - Leases (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Operating Lease, Weighted Average Remaining Lease Term (Year)	3 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	5.40%
Operating Lease, Cost	$ 7.6	$ 7.9	$ 7.6
Operating Lease Liability for Previously Restructured Facilities	$ 5.9
Minimum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)			1 year
Lessee, Operating Lease, Option to Extend, Period (Year)	5 years
Maximum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	6 years
Lessee, Operating Lease, Option to Terminate Period (Year)	1 year