v3.26.3
Notes to the unaudited interim condensed consolidated statement of financial position - Royalty Certificates liabilities (Details) - EUR (€)
€ in Thousands
Jul. 18, 2024
Jun. 30, 2026
Dec. 31, 2025
Aug. 31, 2023
Disclosure of detailed information about borrowings [line items]        
Borrowings   € 66,659 € 59,860  
Financial liabilities, at fair value   € 269,465 363,055  
Royalty Certificate | Discount rate        
Disclosure of detailed information about borrowings [line items]        
Significant unobservable input, liabilities   15    
2023 Royalty Certificates        
Disclosure of detailed information about borrowings [line items]        
Notional amount       € 5,100
Borrowings   € 15,000 13,100 € 5,100
Royalty certificates, effective interest rate   31.90%    
Financial liabilities, at fair value   € 32,600 32,100  
2024 Royalty Certificates        
Disclosure of detailed information about borrowings [line items]        
Notional amount € 20,100      
Borrowings 19,700 € 44,100 38,600  
Payments for debt issue costs € 500      
Royalty certificates, effective interest rate   30.50%    
Financial liabilities, at fair value   € 121,800 € 122,900