Note D - Leases - Maturities of Finance and Operating Lease Liabilities (Details) - USD ($) $ in Thousands		Jun. 30, 2023	Dec. 31, 2022
Remainder of 2023, operating leases	[1]	$ 3,228
Remainder of 2022, finance leases		68
2024, operating leases		5,297
2024, finance leases		50
2025, operating leases		2,885
2025, finance leases		8
2026, operating leases		2,374
2026, finance leases		1
2027, operating leases		2,291
2027, finance leases		0
2027 and beyond, operating leases		6,229
2027 and beyond, finance leases		0
Total future minimum lease payments, operating leases		22,304
Total future minimum lease payments, finance leases		127
Less: Imputed interest, operating leases		1,892
Less: Imputed interest, finance leases		5
Total lease liabilities, finance leases		122
Short-term Lease Liabilities and Long-term Lease Liabilities [Member]
Total lease liabilities, operating leases		20,412	$ 22,110
Total lease liabilities, finance leases		$ 122	$ 212

[1] Non-cancelable sublease proceeds for the remainder of the fiscal year ending December 31, 2022 and the fiscal year ending December 31, 2023 and 2024 of $0.8 million, $0.9 million and $0.4 million, respectively, are not included in the table above.