Note 7 - Leases (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Operating Lease, Weighted Average Remaining Lease Term (Year)			3 years 3 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent			5.40%
Operating Lease, Cost	$ 1.9	$ 1.9	$ 3.8	$ 3.9
Operating Lease Liability for Previously Restructured Facilities			$ 5.2