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Schedule of prepaid expenses and other current assets (Details) - EUR (€) | Jun. 30, 2025 | Dec. 31, 2024
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Value Added Tax (VAT) | € 1,534,555 | € 698,735
Research and development tax credit | 910,000 | 749,676
Advances payments to suppliers | 35,799 | 35,991
Other current assets | 209,793 | 210,830
Other prepaids | 636,532 | 117,994
Total | € 3,326,679 | € 1,813,226

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