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Fair value measurements (Tables) | 6 Months Ended
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Jun. 30, 2025
Fair Value Disclosures [Abstract] |
Schedule of fair value of assets classification | The fair value of assets classification is represented as follows: Schedule of fair value of assets classification
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | June 30, 2025 |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Cash and cash equivalents |  | € | 5,176,632 |  |  | € | 5,176,632 |  |  |  | - |  |  |  | - |
Marketable Securities |  | € | 12,491,755 |  |  | € | 12,491,755 |  |  |  | - |  |  |  | - |
Total cash and cash equivalents, and marketable securities |  | € | 17,668,388 |  |  | € | 17,668,388 |  |  | € | - |  |  | € | - |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | December 31, 2024 |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Cash and cash equivalents |  | € | 4,581,749 |  |  | € | 4,581,749 |  |  | € | - |  |  | € | - |
Marketable Securities |  | € | 8,078,002 |  |  | € | 8,078,002 |  |  | € | - |  |  | € | - |
Total cash and cash equivalents and marketable securities |  | € | 12,659,751 |  |  | € | 12,659,751 |  |  | € | - |  |  | € | - |
Schedule of fair value of liabilities classification | The fair value of liabilities classification is represented as follows: Schedule of fair value of liabilities classification
|  | June 30, 2025 |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Mandatory convertible bond |  | € | 7,555,000 |  |  |  | - |  |  |  | - |  |  | € | 7,555,000 |
Mandatory convertible bond |  | € | 7,555,000 |  |  | € | - |  |  | € | - |  |  | € | 7,555,000 |

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- Definition Schedule of Fair Value of Liabilities [Table Text Block]. + References No definition available. + Details
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