v3.26.1
Right of use assets and lease liabilities - Additional Information (Details) - EUR (€)
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Right of use assets and lease liabilities    
New Lease Agreements. € 1,000,000 € 34,000
Payment Of Total Lease Liability. 600,000 700,000
Depreciation right-of-use assets € 600,000 € 600,000