Note K - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 19, 2022
Operating Lease Cost	$ 374	$ 338
Short-term Lease Cost	612	501
Variable Lease Cost	129	182
Total Operating Lease Cost	1,115	1,021
Operating Lease – Operating Cash Flows	245	303
New ROU Assets – Operating Leases (non-cash)	$ 0	$ 0
Weighted Average Remaining Lease Term – Operating Leases (in years) (Year)	8 years 9 months 14 days	4 years 1 month 13 days
Weighted Average Discount Rate – Operating Leases	5.05%	5.00%