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Note 9 - Convertible Notes Payable at Fair Value (Details Textual) $ / shares in Units, $ in Thousands |  | 7 Months Ended | 11 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 07, 2022 USD ($) $ / shares | Aug. 30, 2024 USD ($) | Nov. 30, 2023 € / shares | Dec. 31, 2024 USD ($) | Aug. 30, 2024 € / shares | Feb. 05, 2024 USD ($) | Dec. 31, 2023 USD ($) | Nov. 30, 2023 $ / shares
Debt Instrument, Face Amount |  |  |  | $ 27,656 |  |  | $ 20,000 |
The 2022 Debentures [Member] | Yorkville [Member] |  |  |  |  |  |  |  |
Debt Instrument, Coupon Rate | 4.00% |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares | $ 1.75 |  |  |  |  |  |  | $ 0.25
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger | 96.50% |  | 85.00% |  |  |  |  |
Debt Instrument, Convertible, Threshold Consecutive Trading Days | 7 |  | 7 |  |  |  |  |
Debt Instrument, Default Rate | 12.00% |  |  |  |  |  |  |
The 2022 Debentures [Member] | Yorkville [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 31,100 |  |  |  |  |  |  |
The 2022 Debentures [Member] | Yorkville [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price (in dollars per share) | (per share) |  |  | € 0.06 |  |  |  |  | $ 0.006
February 2024 Debenture (Member) | Yorkville [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | $ 4,300 |  |
August 2024 Debenture [Member] | Yorkville [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 3,300 |  |  |  |  |  |
The 2024 Debentures [Member] | Yorkville [Member] |  |  |  |  |  |  |  |
Debt Instrument, Coupon Rate |  | 12.00% |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price (in dollars per share) | € / shares |  |  |  |  | € 18.75 |  |  |
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger |  | 85.00% |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Consecutive Trading Days |  | 7 |  |  |  |  |  |
Debt Instrument, Default Rate |  | 18.00% |  |  |  |  |  |
The 2024 Debentures [Member] | Yorkville [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger |  | 20.00% |  |  |  |  |  |

X
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