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Note 5 - Long-term Debt (Tables) | 9 Months Ended
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Sep. 30, 2023
Notes Tables |
Schedule of Long-Term Debt Instruments [Table Text Block] |
|  | September 30, |  |  | December 31, |
(In thousands) |  | 2023 |  |  | 2022 |
Principal amount |  | $ | - |  |  | $ | 130,000 |
Unamortized original issuance discount and debt costs |  |  | — |  |  |  | (1,248 | )
Long-term debt, net of unamortized debt issue costs |  | $ | - |  |  | $ | 128,752 |
Interest Income and Interest Expense Disclosure [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | October 1, |  |  | September 30, |  |  | October 1, |
(In thousands) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Contractual interest |  | $ | 83 |  |  | $ | 1,328 |  |  | $ | 2,701 |  |  | $ | 2,690 |
Amortization of original issuance discount and debt costs |  |  | 67 |  |  |  | 76 |  |  |  | 200 |  |  |  | 243 |
Total interest expense related to long-term debt |  | $ | 150 |  |  | $ | 1,404 |  |  | $ | 2,901 |  |  | $ | 2,933 |

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