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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%

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+ References

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The price per share of the conversion feature embedded in the debt instrument.

+ References

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-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (c)
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- Definition

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