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Note 6 - Debt - Schedule of Convertible Debt (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | May 14, 2025 | May 13, 2025 | Dec. 31, 2024 | Jun. 03, 2024
--- | --- | --- | --- | --- | ---
Long-Term Debt, Gross |  | $ 167,804 |  |  |  |
The 2029 Notes [Member] |  |  |  |  |  |
Principal amount |  | 70,785 |  |  |  |
Unamortized debt discount, net of issuance costs |  | (22,331) |  |  |  |
Fair value of embedded derivative |  | 15,020 |  |  |  |
Long-Term Debt, Gross |  | 63,474 |  |  |  |
Fair value of outstanding unsecured convertible senior notes | [1] | 59,263 |  |  |  |
Convertible Senior Notes 2026 [Member] |  |  |  |  |  |
Principal amount |  | 17,077 |  |  | $ 97,862 | $ 14,900
Unamortized debt issuance costs |  | (60) |  |  | (684) |
Long-Term Debt, Gross |  | 17,017 | $ 17,100 | $ 97,900 | 97,178 |
Fair value of outstanding unsecured convertible senior notes | [2] | $ 16,048 |  |  | $ 93,752 |
[1] | The fair value is classified as a Level 2 liability due to the limited trading activity for the 2029 Notes. This balance reflects the fair value of the 2029 Notes based on quoted prices in an over-the counter market using the most recent trading information at the end of the reporting period.
[2] | The fair value is classified as Level 2 liability due to the limited trading activity for the 2026 Notes. This balance reflects the fair value of the 2026 Notes based on quoted prices in an over-the counter market using the most recent trading information at the end of the reporting period. The value of the conversion feature of the 2026 Notes is not deemed to be significant as the current market price of our common stock is below the initial conversion price of $18.49 per share of common stock.

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