Note D - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2022		Dec. 31, 2021
Operating Lease, Right-of-Use Asset	$ 18,300		$ 21,400
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total	700		800
Right-of-use Assets, total	18,982		22,142
Current portion of lease liabilities, operating leases	5,119
Current portion of lease liabilities, finance leases	188
Current portion of lease liabilities, total	5,307		6,553
Long-term lease liabilities, total	16,594		19,215
Total Lease Liabilities, finance leases	305
Right of Use Assets [Member]
Operating Lease, Right-of-Use Asset	18,309		21,382
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total	673		760
Short-term Lease Liabilities [Member]
Current portion of lease liabilities, operating leases			6,359
Current portion of lease liabilities, finance leases			194
Current portion of lease liabilities, total			6,553
Long-term Lease Liabilities [Member]
Long-term lease liabilities, operating leases	16,477		19,004
Long-term lease liabilities, finance leases	117		211
Long-term lease liabilities, total	16,594		19,215
Short-term Lease Liabilities and Long-term Lease Liabilities [Member]
Total Lease Liabilities, operating leases	21,596	[1]	25,363
Total Lease Liabilities, finance leases	305		405
Total Lease Liabilities, total	$ 21,901		$ 25,768

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