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Notes to the interim condensed consolidated statement of financial position - Shareholders' equity - Movements in BSPCE and BSA share warrants (in number of shares issuable upon exercise) (Details) |  | 6 Months Ended
--- | --- | ---
Mar. 25, 2024 shares | Jun. 30, 2024 shares € / shares
Notes to the interim condensed consolidated statement of financial position |  |
Issued | shares | 300,000 |
Outstanding, Ending balance | shares |  | 0
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
BSPCE plans |  |
Notes to the interim condensed consolidated statement of financial position |  |
Outstanding, Beginning balance |  | 430,000
Outstanding, Ending balance |  | 430,000
Number of exercisable shares |  | 430,000
BSPCE 2021 |  |
Notes to the interim condensed consolidated statement of financial position |  |
Exercise price (in euros) |  | € 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 |  |
Outstanding, Beginning balance |  | 346,333
Outstanding, Ending balance |  | 346,333
Number of exercisable shares |  | 316,333
Number of share warrants outstanding | shares |  | 430,000
BSA - 2017 plan |  |
Notes to the interim condensed consolidated statement of financial position |  |
Exercise price (in euros) |  | € 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) |  | € 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) |  | € 2.20
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) |  | € 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) |  | € 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) |  | € 11.74
Outstanding, Beginning balance |  | 14,333
Outstanding, Ending balance |  | 14,333
Number of exercisable shares |  | 14,333
BSA 2023 plan |  |
Notes to the interim condensed consolidated statement of financial position |  |
Exercise price (in euros) |  | € 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) |  | € 3.91
Outstanding, Beginning balance |  | 20,000
Outstanding, Ending balance |  | 20,000

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