Note K - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Oct. 02, 2021	Oct. 03, 2020
Operating Lease Cost	$ 433	$ 197	$ 1,151	$ 610
Short-term Lease Cost	330	137	1,361	411
Variable Lease Cost	101	52	304	169
Total Operating Lease Cost	864	386	2,816	1,190
Operating Lease – Operating Cash Flows	434	182	1,050	557
New ROU Assets – Operating Leases	$ 1,189	$ 56	$ 2,329	$ 744
Weighted Average Remaining Lease Term – Operating Leases (years) (Year)	3 years 11 months 4 days	2 years 4 months 24 days	3 years 11 months 4 days	2 years 4 months 24 days
Weighted Average Discount Rate – Operating Leases	5.00%	5.00%	5.00%	5.00%