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Note 13 - Warrant Dividend Distribution - Changes in Warrants Outstanding and Warrant Liability (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2024
Balance, shares (in shares) |  |  | 16,895,000 |  |  |  |
Balance, liability |  |  | $ 113,363 |  |  |  |
gain from change in fair value of warrant liabilities, liability |  |  |  | $ 108,183 | $ 0 | $ 0 |
gain from change in fair value of warrant liabilities, liability |  |  |  | $ 108,183 | $ 0 | $ 0 |
Balance, shares (in shares) |  |  |  |  |  |  |
Balance, liability |  |  |  |  |  |  |
Warrants to Purchase Common Stock [Member] |  |  |  |  |  |  |
Balance, shares (in shares) | 16,221,000 |  |  |  |  |  |
Balance, liability | $ 65,368 |  |  |  |  |  |
Warrants exercised, shares (in shares) | (3,152,000) | (674,000) | (674,000) |  |  |  |
Warrants exercised, liability | $ (226) |  | $ (4,954) |  |  |  |
gain from change in fair value of warrant liabilities, liability | (65,142) |  | (43,041) |  |  |  |
gain from change in fair value of warrant liabilities, liability | $ (65,142) |  | $ (43,041) |  |  |  |
Redemption of common stock warrants (in shares) | (13,069,000) |  |  |  |  |  |
Balance, shares (in shares) | 0 | 16,221,000 | 16,221,000 | 0 |  |  |
Balance, liability | $ 0 | $ 65,368 | $ 65,368 | $ 0 |  |  |
Balance, shares (in shares) | 0 | 16,221,000 | 16,221,000 | 0 |  |  | 0
Balance, liability | $ 0 | $ 65,368 | $ 65,368 | $ 0 |  |  | $ 0

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