Note 7 - Convertible Senior Notes - Schedule of Long-Term Debt Instruments (Details) - Convertible Senior Notes [Member] - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Principal amount of convertible senior notes | $ 172,500 | $ 172,500 |
| Less: Current portion of convertible senior notes | 0 | 0 |
| Convertible senior notes, net of current portion | 172,500 | 172,500 |
| Debt discount, net of accretion | (4,295) | (4,728) |
| Convertible senior notes, net of discount and current portion | $ 168,205 | $ 167,772 |
| X | ||||||||||
- Definition Amount, before deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. No definition available.
|
| X | ||||||||||
- Definition Amount, before deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. No definition available.
|
| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, after accumulated amortization, of debt discount. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|