Note 6 - Debt - Schedule of Debt Instruments (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| The 2029 Notes [Member] | ||
| Contractual interest expense | $ 1,681 | |
| Amortization of debt discount and issuance costs | 1,445 | |
| Total interest expense | 3,126 | |
| Initial Term Loan [Member] | ||
| Contractual interest expense | 0 | $ 2,233 |
| Total interest expense | 0 | 325 |
| Amortization of debt premium and issuance costs | 0 | (1,908) |
| Convertible Senior Notes 2026 [Member] | ||
| Contractual interest expense | 112 | 1,284 |
| Amortization of debt discount and issuance costs | 14 | 148 |
| Total interest expense | $ 126 | $ 1,432 |
| X | ||||||||||
- Definition Amount of amortization expense attributable to debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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