Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Share-based payments - LTIP Special Options and LTIP Sign-on Options (Details)

v3.25.1
Share-based payments - LTIP Special Options and LTIP Sign-on Options (Details)
€ / shares in Units, € in Thousands
 1 Months Ended 12 Months Ended
Dec. 29, 2023
shares
executive
€ / shares
Dec. 29, 2023
shares
executive
$ / shares
Aug. 10, 2023
May 31, 2023
€ / shares
May 31, 2023
$ / shares
May 24, 2023
€ / shares
May 24, 2023
$ / shares
May 31, 2023
Dec. 31, 2024
EUR (€)
shares
€ / shares
Dec. 31, 2023
EUR (€)
shares
€ / shares
Dec. 31, 2023
$ / shares
Dec. 31, 2022
EUR (€)
Jun. 18, 2024
shares
LTIP Sign-on Options                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Share-based payment expenses - SPAC Transaction | €                       € 0  
RSU                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Vesting period               3 years 3 years        
Performance Options                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Vesting period                 3 years 2 years      
Long-term Incentive Plan | LTIP Special Options                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Granted during the period (in shares) 1,000,197 1,000,197                      
Fair value of options granted (in EUR per share) | (per share) € 1.22 $ 1.35             € 1.10        
Exercise price, share options granted (in EUR per share) | € / shares       € 0.12                  
Long-term Incentive Plan | LTIP Sign-on Options                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Granted during the period (in shares) 176,807 176,807                      
Number of executives | executive 1 1                      
Fair value of options granted (in EUR per share) | (per share)       0.69 $ 0.75       € 0.57 € 0      
Exercise price, share options granted (in EUR per share) | € / shares       € 0.12                  
Share-based payment expenses - SPAC Transaction | €                 € 57 € 0   0  
Long-term Incentive Plan | LTIP Sign-on Options | Eligible directors                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Vesting period     1 year                    
Long-term Incentive Plan | RSU                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Fair value of options granted (in EUR per share) | (per share)           € 0.71 $ 0.76   € 0.71 € 1.97 $ 2.13    
Vesting period                 3 years        
Share-based payment expenses - SPAC Transaction | €                 € 659 € 1,729   0  
Long-term Incentive Plan | RSU | Eligible directors                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Vesting period                 1 year        
Granted during the period (in shares)                 632,412 952,812      
Long-term Incentive Plan | RSU | One Executive Officer                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Granted during the period (in shares)                 4,035,203        
Long-term Incentive Plan | Performance Options                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Granted during the period (in shares)                   4,035,203      
Share-based payment expenses - SPAC Transaction | €                 € (12) € 2,070   € 0  
Number of executive officers                         2