Note D - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2022		Dec. 31, 2021
Right-of-use Assets, operating leases	$ 18,600		$ 21,400
Right-of-use Assets, finance leases	600		800
Right-of-use Assets, total	19,169		22,142
Short-term lease liabilities, total	5,747		6,553
Long-term lease liabilities, total	16,575		19,215
Total Lease Liabilities, finance leases	212
Right of Use Assets [Member]
Right-of-use Assets, operating leases	18,574		21,382
Right-of-use Assets, finance leases	595		760
Short-term Lease Liabilities [Member]
Short-term lease liabilities, operating leases	5,587		6,359
Short-term lease liabilities, finance leases	160		194
Short-term lease liabilities, total	5,747		6,553
Long-term Lease Liabilities [Member]
Long-term lease liabilities, operating leases	16,523		19,004
Long-term lease liabilities, finance leases	52		211
Long-term lease liabilities, total	16,575		19,215
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
Total Lease Liabilities, total	$ 22,322		$ 25,768

[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.