Note N - Lease Obligations - Future Minimum Rental Commitments Under Noncancelable Leases (Details) $ in Thousands	Mar. 31, 2023 USD ($)
2023, Operating Leases	$ 764
2023, Finance Leases	233
2024, Operating Leases	2,607
2024, Finance Leases	900
2025, Operating Leases	1,708
2025, Finance Leases	661
2026, Operating Leases	1,484
2026, Finance Leases	593
2027, Operating Leases	1,438
2027, Finance Leases	527
Thereafter, Operating Leases	7,701
Thereafter, Finance Leases	3,598
Total future lease payments, Operating Leases	15,702
Total future lease payments, Finance Leases	6,512
Less: Amount representing interest, Operating Leases	(3,269)
Less: Amount representing interest, Finance Leases	(1,338)
Present value of future payments, Operating Leases	12,434
Present value of future payments, Finance Leases	$ 5,175