Note K - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Weighted Average Remaining Lease Term – Operating Leases (in years) (Year)	7 years 8 months 1 day	8 years 6 months 25 days	7 years 8 months 1 day	8 years 6 months 25 days
Operating Lease Cost	$ 376	$ 375	$ 751	$ 749
Weighted Average Discount Rate – Operating Leases	5.19%	5.09%	5.19%	5.09%
Short-term Lease Cost	$ 382	$ 611	$ 739	$ 1,223
Variable Lease Cost	143	169	308	298
Total Operating Lease Cost	901	1,155	1,798	2,270
Operating Lease – Operating Cash Flows	260	248	515	493
New ROU Assets – Operating Leases (non-cash)	$ 52	$ 83	$ 52	$ 83