v3.25.2
Notes to the interim condensed consolidated statement of financial position - Investments accounted for using the equity method (Details)
€ / shares in Units, € in Thousands
6 Months Ended 12 Months Ended
Sep. 26, 2023
¥ / shares
shares
Sep. 26, 2023
€ / shares
shares
Jun. 30, 2025
EUR (€)
Jun. 30, 2024
EUR (€)
Dec. 31, 2024
Investments accounted for using the equity method          
Capital increase | €     € 57,370 € 6  
Hepalys Pharma, Inc          
Investments accounted for using the equity method          
Group's share in %     15.00% 15.00% 15.00%
Catalys Option Agreement | Hepalys Pharma, Inc          
Investments accounted for using the equity method          
Option to acquire shares in company, percentage 30.00% 30.00%      
Number of shares acquired in associate | shares 1,500,000 1,500,000      
Purchase of interests in investments accounted for using equity method, price per share | (per share) ¥ 300 € 1.9