Coupon rate for funds borrowed, under the debt agreement.

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- Definition

Represents default rate of debt instruments.

+ References

No definition available.

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- Definition

Percentage of stock price to conversion price of convertible preferred stock to determine eligibility of conversion.

+ References

No definition available.

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Threshold number of specified trading days that common stock price to conversion price of convertible preferred stock must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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- Definition

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

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Per share conversion price of preferred stock.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Note 8 - Convertible Notes Payable at Fair Value (Details Textual) € / shares in Units, $ / shares in Units, € in Thousands, $ in Thousands											7 Months Ended	8 Months Ended	9 Months Ended	11 Months Ended	12 Months Ended
	Sep. 05, 2025 USD ($) shares	Sep. 05, 2025 EUR (€) € / shares shares	Aug. 15, 2025 USD ($)	Aug. 06, 2025 USD ($)	May 27, 2025 USD ($)	Apr. 24, 2025 USD ($)	Mar. 25, 2025 USD ($)	Feb. 12, 2025 USD ($)	Dec. 30, 2024 USD ($)	Dec. 07, 2022 USD ($) $ / shares	Aug. 30, 2024 USD ($) $ / shares	Sep. 05, 2025 USD ($)	Sep. 30, 2025 $ / shares	Nov. 30, 2023 € / shares	Dec. 31, 2025 EUR (€) € / shares	Dec. 31, 2024 EUR (€) € / shares	Jun. 30, 2026 $ / shares	Sep. 05, 2025 USD ($) $ / shares	Aug. 13, 2025 € / shares	Dec. 31, 2024 USD ($)	Feb. 05, 2024 USD ($)	Nov. 30, 2023 $ / shares
Debt Instrument, Face Amount																		$ 34,856		$ 27,656
Proceeds from Convertible Debt \| €															€ 5,990	€ 7,000
Preferred Stock, Par or Stated Value Per Share \| € / shares		€ 300													€ 300	€ 300			€ 300
Preferred Stock, Convertible, Threshold Percentage of Stock Price Trigger	85.00%	85.00%
Preferred Stock, Convertible, Threshold Trading Days	10	10
Measurement Input, Discount for Lack of Marketability [Member]
Debt Instrument, Measurement Input															0.50
Conversion of Convertible Debentures into Preferred Stock [Member]
Debt Conversion, Original Debt, Amount	$ 42,100
Debt Conversion, Converted Instrument, Shares Issued \| shares	1,401	1,401
Conversion of Debt to Perpetual Preferred Stock [Member]
Debt Conversion, Converted Instrument, Shares Issued \| shares	1,401	1,401
Conversion of Debt into Common Stock [Member]
Debt Conversion, Original Debt, Amount \| €		€ 18,500
Debt Conversion, Converted Instrument, Shares Issued \| shares	7,718,300	7,718,300
Minimum [Member]
Preferred Stock, Convertible, Conversion Price \| $ / shares																		$ 4
Minimum [Member] \| Forecast [Member]
Preferred Stock, Convertible, Conversion Price \| $ / shares																	$ 1
The 2022 Debentures [Member] \| Yorkville [Member]
Debt Instrument, Coupon Rate										4.00%
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] \| Post Reverse Split [Member]
Debt Instrument, Convertible, Conversion Price (in dollars per share) \| $ / shares										$ 131.25												$ 18.75
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
Omnibus Amendment to Transaction Documents [Member]
Proceeds from Convertible Debt			$ 350	$ 190	$ 750	$ 500	$ 1,000	$ 1,000
Omnibus Amendment to Transaction Documents [Member] \| Yorkville [Member]
Proceeds from Convertible Debt	$ 3,400											$ 7,200
Omnibus Amendment to Transaction Documents [Member] \| Yorkville [Member] \| Maximum [Member]
Proceeds from Convertible Debt									$ 5,000
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%
The 2025 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 2025 Debentures [Member] \| Yorkville [Member] \| Minimum [Member]
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger													20.00%