Note K - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Operating Lease Cost	$ 393	$ 433	$ 1,073	$ 1,151
Short-term Lease Cost	658	692	1,882	2,339
Variable Lease Cost	81	101	393	304
Total Operating Lease Cost	1,132	1,226	3,348	3,794
Operating Lease – Operating Cash Flows	100	434	712	1,050
New ROU Assets – Operating Leases	$ 30	$ 1,189	$ 7,773	$ 2,329
Weighted Average Remaining Lease Term – Operating Leases (in years) (Year)	9 years 3 months 14 days	3 years 11 months 4 days	9 years 3 months 14 days	3 years 11 months 4 days
Weighted Average Discount Rate – Operating Leases	5.00%	5.00%	5.00%	5.00%