v3.25.2
Notes to the interim condensed consolidated statement of financial position - Movements in BSPCE and BSA share warrants (Details)
€ / shares in Units, € in Millions
6 Months Ended
Jun. 30, 2025
EUR (€)
EquityInstruments
shares
plan
€ / shares
Jun. 30, 2024
shares
Notes to the interim condensed consolidated statement of financial position    
Outstanding, Ending balance | shares 0  
Expense from share-based payment transactions | € € 2.2  
BSPCE and BSA Share Warrants    
Notes to the interim condensed consolidated statement of financial position    
Outstanding, Beginning balance 776,333  
Outstanding, Ending balance 776,333  
Number of exercisable shares 746,333  
Number of shares callable by warrants | shares   776,333
BSPCE plans    
Notes to the interim condensed consolidated statement of financial position    
Number of plans outstanding | plan 1  
Outstanding, Beginning balance 430,000  
Outstanding, Ending balance 430,000  
Number of exercisable shares 430,000  
Number of shares callable by warrants | shares 430,000  
BSPCE 2021    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 11.74  
Outstanding, Beginning balance 430,000  
Outstanding, Ending balance 430,000  
Number of exercisable shares 430,000  
BSA plans    
Notes to the interim condensed consolidated statement of financial position    
Number of plans outstanding | plan 8  
Outstanding, Beginning balance 346,333  
Outstanding, Ending balance 346,333  
Number of exercisable shares 316,333  
Number of shares callable by warrants | shares 346,333  
BSA - 2017 plan    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 6.68  
Outstanding, Beginning balance 130,000  
Outstanding, Ending balance 130,000  
Number of exercisable shares 130,000  
BSA - 2018 plan    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 6.07  
Outstanding, Beginning balance 116,000  
Outstanding, Ending balance 116,000  
Number of exercisable shares 116,000  
BSA 2019    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 2.2  
Outstanding, Beginning balance 10,000  
Outstanding, Ending balance 10,000  
Number of exercisable shares 10,000  
BSA 2019 bis    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 3.68  
Outstanding, Beginning balance 10,000  
Outstanding, Ending balance 10,000  
Number of exercisable shares 10,000  
BSA 2019 ter    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 3.68  
Outstanding, Beginning balance 36,000  
Outstanding, Ending balance 36,000  
Number of exercisable shares 36,000  
BSA 2021    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 11.74  
Outstanding, Beginning balance 14,333  
Outstanding, Ending balance 14,333  
Number of exercisable shares 14,333  
BSA 2023-1    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 2.51  
Outstanding, Beginning balance 10,000  
Outstanding, Ending balance 10,000  
BSA- 2 2023 plan    
Notes to the interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 3.91  
Outstanding, Beginning balance 20,000  
Outstanding, Ending balance 20,000