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Note L - Convertible Senior Notes (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Convertible Debt [Table Text Block] |
|  | December 31, 2024 |
2026 Notes |  |  |  |
Principal Amount |  | $ | 3,500 |
Unamortized debt issuance costs |  |  | (83 | )
Net carrying amount for 2026 Notes |  |  | 3,417 |
2030 Notes |  |  |  |
Principal Amount |  |  | 125,000 |
Premium upon issuance |  |  | 10,416 |
Unamortized debt issuance costs |  |  | (4,336 | )
Net carrying amount for 2030 Notes |  |  | 131,080 |
Total net carry amount |  | $ | 134,497 |
Interest Income and Interest Expense Disclosure [Table Text Block] |
|  | Year ended December 31, |
|  | 2024 |  |  | 2023 |
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 |  |  | 5.3 | % |  |  | 5.1 | %

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