Note L - Convertible Senior Notes - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Amortization of debt issuance costs	$ 1,430	$ 2,308	$ 902
The 5% Convertible Senior Notes Due 2024 [Member]
Contractual interest expense	4,222	4,039
Amortization of debt issuance costs	1,466	849
Total interest cost	$ 5,688	$ 4,888
Effective interest rate	5.30%	5.10%