Note D - Leases - Maturities of Finance and Operating Lease Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2022		Dec. 31, 2021
2023, operating leases	[1]	$ 6,226
2023, finance leases		166
2024, operating leases	[1]	4,802
2024, finance leases		48
2025, operating leases	[1]	2,391
2025, finance leases		6
2026, operating leases	[1]	2,290
2026, finance leases		0
2027, operating leases		2,290
2027, finance leases		0
2027 & Beyond, operating leases		6,252
2027 & Beyond, finance leases		0
Total future minimum lease payments, operating leases	[1]	24,251
Total future minimum lease payments, finance leases		220
Less: Imputed interest, operating leases	[1]	2,141
Less: Imputed interest, finance leases		8
Total lease liabilities, finance leases		212
Short-term Lease Liabilities and Long-term Lease Liabilities [Member]
Total lease liabilities, operating leases		22,110	[1]	$ 25,363
Total lease liabilities, finance leases		$ 212		$ 405

[1] Non-cancelable sublease proceeds for the remainder of the fiscal year ending December 31, 2021 and the fiscal years ending December 31, 2022 and 2023 of $0.2 million, $0.6 million, and $0.2 million, respectively, are not included in the table above.