v3.26.3
Investments (Details) - EUR (€)
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Investments [Abstract]      
Short-term investment € 34,557   € 34,557
Short-term deposit 26,557   26,557
Short-term commercial deposit with sales 8,000   € 8,000
Interest income € 0 € 3,457