Note K - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended	4 Months Ended	6 Months Ended
	Jun. 30, 2023	Jul. 09, 2022	Jun. 30, 2023	Jul. 09, 2022
Weighted Average Remaining Lease Term – Operating Leases (in years) (Year)	8 years 6 months 25 days	9 years 5 months 19 days	8 years 6 months 25 days	9 years 5 months 19 days
Operating Lease Cost	$ 375	$ 342	$ 749	$ 680
Weighted Average Discount Rate – Operating Leases	5.09%	5.00%	5.09%	5.00%
Short-term Lease Cost	$ 611	$ 723	$ 1,223	$ 1,224
Variable Lease Cost	169	130	298	312
Total Operating Lease Cost	1,155	1,195	2,270	2,216
Operating Lease – Operating Cash Flows	248	309	493	612
New ROU Assets – Operating Leases (non-cash)	$ 83	$ 7,743	$ 83	$ 7,743