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Commitments and contingencies (Details Narrative) - EUR (€) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Principal amount | € 5,425,000 |  |
Rent payment | € 16,141 |  |
OSR [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Percentage of royalties | 4.00% |  |
San Raffaele Hospital [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Costs and expenses, related party | € 1,400,000 | € 900,000 |
Manufacturing costs | € 12,300,000 |  |
Original OSR License Agreement [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Other commitments description | In particular, consistent with the terms of the Original OSR License Agreement, the ARLA continues to require the Company to invest (a) at least €5,425,000 with respect to the development of the licensed products, and (b) at least €2,420,000 with respect to the manufacturing of such licensed products (subject to certain adjustments) |  |
Master Service Agreement [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Production costs | € 2,800,000 |  | € 3,500,000

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