Note 6 - Convertible Senior Notes - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2024 |
Dec. 31, 2023 |
|
| Total | $ 2,785 | |
| March 2023 Note [Member] | Convertible Senior Notes [Member] | ||
| Contractual interest expense | $ 3,019 | |
| Amortization of issuance costs | 514 | |
| Total | $ 3,533 |
| X | ||||||||||
- Definition Amount of amortization expense attributable to debt issuance costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 | ||||||||||
- Details
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| X | ||||||||||
- Details
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