Note 3 - Liquidity and Going Concern Analysis (Details Textual) |
3 Months Ended | 6 Months Ended | |||||||||||||||||
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Aug. 18, 2025
EUR (€)
|
Aug. 15, 2025
USD ($)
|
Aug. 15, 2025
EUR (€)
|
Aug. 06, 2025
USD ($)
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May 27, 2025
USD ($)
|
May 26, 2025
USD ($)
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Apr. 24, 2025
USD ($)
|
Mar. 25, 2025
USD ($)
|
Mar. 25, 2025
EUR (€)
|
Feb. 12, 2025
EUR (€)
|
Jun. 30, 2025
EUR (€)
|
Mar. 31, 2025
EUR (€)
|
Jun. 30, 2024
EUR (€)
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Mar. 31, 2024
EUR (€)
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Jun. 30, 2025
USD ($)
|
Jun. 30, 2025
EUR (€)
|
Jun. 30, 2024
EUR (€)
|
Jun. 30, 2025
EUR (€)
|
Dec. 31, 2024
EUR (€)
|
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| Cash and Cash Equivalents, at Carrying Value | € 339,000 | € 1,354,000 | |||||||||||||||||
| Working Capital Deficit | (14,900,000) | ||||||||||||||||||
| Retained Earnings (Accumulated Deficit) | € (313,403,000) | € (321,428,000) | |||||||||||||||||
| Net Income (Loss) Attributable to Parent | € (812,000) | € 8,837,000 | € (1,443,000) | € 80,882,000 | € 8,025,000 | € 79,439,000 | |||||||||||||
| Operating Income (Loss) | € (1,772,000) | € (1,431,000) | $ (3,600,000) | (3,579,000) | 59,887,000 | ||||||||||||||
| Proceeds from Convertible Debt | € 2,904,000 | € 7,000,000 | |||||||||||||||||
| Capital, Commitment to Raise | $ | $ 5,000,000 | ||||||||||||||||||
| Omnibus Amendment to Transaction Documents [Member] | |||||||||||||||||||
| Proceeds from Convertible Debt | $ 750,000 | $ 500,000 | € 1,000,000 | € 1,000,000 | |||||||||||||||
| Omnibus Amendment to Transaction Documents [Member] | Yorkville [Member] | |||||||||||||||||||
| Proceeds from Convertible Debt | $ | $ 750,000 | $ 1,000,000 | |||||||||||||||||
| Subsequent Event [Member] | Omnibus Amendment to Transaction Documents [Member] | Yorkville [Member] | |||||||||||||||||||
| Proceeds from Convertible Debt | € 300,000 | $ 350,540 | € 300,000 | $ 190,000 | |||||||||||||||
| X | ||||||||||
- Definition The amount of capital that the company is committed to raise. No definition available.
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| X | ||||||||||
- Definition Amount of working capital deficit. No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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- Details
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