v3.26.1
Related Party Transactions - Additional information (Details) - EUR (€)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Related Party Transactions        
Share-based payment expense for non-executive directors € 687,000 € 229,000 € 904,000 € 554,000
Non-Executive Directors | Warrant        
Related Party Transactions        
Share-based payment expense for non-executive directors     455,000 800,000
Cochlear | Construction in progress        
Related Party Transactions        
Additions     € 0 € 52,000