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Schedule of other non-current assets (Details) - EUR (€)
Jun. 30, 2025
Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]    
Value Added Tax (VAT) € 400,000  
Research and development tax credit 400,000  
Nonrelated Party [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Value Added Tax (VAT) 120,853 € 290,150
Research and development tax credit 390,000
Other non-current assets - related party 7,981 14,594
Total other non-current asssets 522,184 308,094
Related Party [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Other non-current assets - related party € 3,350 € 3,350