Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Share-based payments - Summary of Grant Options and Performance Options granted (Details)

v3.23.2
Share-based payments - Summary of Grant Options and Performance Options granted (Details)
 1 Months Ended 6 Months Ended
Apr. 30, 2023
€ / shares
Jun. 30, 2023
shares
€ / shares
Jun. 30, 2022
shares
€ / shares
Management Incentive Plan      
Average Exercise Price Per Share Option [Abstract]      
Beginning of year (in EUR per share) | € / shares   € 0.12 € 0
Granted during the period (in EUR per share) | € / shares € 0.12 0 0.12
Exercised during the period (in EUR per share) | € / shares   0 0
Forfeited during the period (in EUR per share) | € / shares   0 0
Ended of year (in EUR per share) | € / shares   0.12 0.12
Average exercise price per share options, Vested and exercisable (in EUR per share) | € / shares   € 0 € 0
Number Of Grant Options [Abstract]      
End of year (in shares)   2,658,426  
Long-term Incentive Plan      
Average Exercise Price Per Share Option [Abstract]      
Granted during the period (in EUR per share) | € / shares   € 0.12  
Grant Options | Management Incentive Plan      
Number Of Grant Options [Abstract]      
Beginning of year (in shares)   1,329,213 0
Granted during the period (in shares)   0 1,329,213
Exercised during the period (in shares)   0 0
Forfeited during the period (in shares)   0 0
End of year (in shares)   1,329,213 1,329,213
Number of options exercisable (in shares)   0 0
Performance Options | Management Incentive Plan      
Number Of Grant Options [Abstract]      
Beginning of year (in shares)   1,329,213 0
Granted during the period (in shares)   0 1,329,213
Exercised during the period (in shares)   0 0
Forfeited during the period (in shares)   0 0
End of year (in shares)   1,329,213 1,329,213
Number of options exercisable (in shares)   0 0
Performance Options | Long-term Incentive Plan      
Average Exercise Price Per Share Option [Abstract]      
Beginning of year (in EUR per share) | € / shares   € 0  
Granted during the period (in EUR per share) | € / shares   0.12  
Exercised during the period (in EUR per share) | € / shares   0  
Forfeited during the period (in EUR per share) | € / shares   0  
Ended of year (in EUR per share) | € / shares   0.12  
Average exercise price per share options, Vested and exercisable (in EUR per share) | € / shares   € 0  
Number Of Grant Options [Abstract]      
Beginning of year (in shares)     0
Granted during the period (in shares)     1,039,222
Exercised during the period (in shares)     0
Forfeited during the period (in shares)     0
End of year (in shares)     1,039,222
Number of options exercisable (in shares)     0