v3.25.4
Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2025
EUR (€)
segment
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]  
Number of reportable segment | segment 1
Number of performance obligations in collaboration and license agreements 1
Number of performance obligations in research and collaboration agreements 1
Unused tax losses  
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]  
Deferred tax assets | € € 0