v3.26.1
Share capital - Founders’ warrants (Details) - BSPCE
12 Months Ended
Dec. 31, 2025
patient
employee
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Number of threshold | patient 500
Former employees  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Number of employees with service conditions lifted 2
Former Executive Board members  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Number of employees with service conditions lifted 2