Note N - Lease Liabilities - Future Minimum Rental Commitments Under Noncancellable Leases (Details) $ in Thousands	Dec. 31, 2021 USD ($)
2022, Operating Leases	$ 1,597
2022	438
2023, Operating Leases	2,783
2023	866
2024, Operating Leases	2,510
2024	866
2025, Operating Leases	1,664
2025	619
2026, Operating Leases	1,532
2026	530
Thereafter	9,972
Thereafter	4,550
Total future lease payments, Operating Leases	20,058
Total future lease payments, Finance Leases	7,869
Less: Amount representing interest, Operating Leases	(6,243)
Less: Amount representing interest, Finance Leases	(2,580)
Present value of future payments, Operating Leases	13,815
Present value of future payments, Finance Leases	$ 5,289