v3.26.3
Capital - Additional Information (Details) - EUR (€)
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Disclosure of changes in the share capital        
Total shareholders’ equity € (40,508,000) € (21,704,000) € 5,144,000 € 8,834,000
Number of own shares (in shares) 18,575 18,575    
Ordinary Shares        
Disclosure of changes in the share capital        
Number of shares outstanding (in shares) 93,921,863      
Par value per share (in EUR per share) € 0.05      
The 2016 free preferred shares        
Disclosure of changes in the share capital        
Par value per share (in EUR per share) € 0.05      
Number of shares issued (in shares) 4,766      
The 2017 free preferred shares        
Disclosure of changes in the share capital        
Par value per share (in EUR per share) € 0.05      
Number of shares issued (in shares) 7,581      
Share capital        
Disclosure of changes in the share capital        
Total shareholders’ equity € 4,696,711 € 4,687,000 € 4,610,000 € 4,192,000
Share capital | Ordinary Shares        
Disclosure of changes in the share capital        
Number of shares issued (in shares) 93,921,863 93,719,323 92,176,373 83,830,336