Note D - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2020		Dec. 31, 2019
Right-of-use Assets, operating leases	$ 13,410		$ 17,679
Right-of-use Assets, finance leases	998		1,138
Right-of-use Assets, total	14,408		18,817
Short-term lease liabilities, operating leases	6,580		7,226
Short-term lease liabilities, finance leases	223		390
Short-term lease liabilities, total	6,803		7,616
Long-term lease liabilities, operating leases	10,373		12,514
Long-term lease liabilities, finance leases	454		564
Long-term lease liabilities, total	10,827		13,078
Total Lease Liabilities, operating leases	16,953	[1]	19,740
Total Lease Liabilities, finance leases	677	[1]	954
Total Lease Liabilities, total	$ 17,630		$ 20,694

[1] Non-cancelable sublease proceeds for the remainder of the fiscal year ending December 31, 2020 and the fiscal years ending December 31, 2021, 2022, and 2023 of $254k, $647k, $540k, and $154k, respectively, are not included in the table above.