v3.25.3
Share-based payments - Disclosure of reconciliation of BSAs (Details) - shares
1 Months Ended 9 Months Ended
Sep. 30, 2025
Apr. 22, 2025
Jan. 13, 2025
Apr. 04, 2024
Jan. 22, 2018
Sep. 18, 2017
Dec. 04, 2015
Apr. 30, 2025
Jan. 31, 2025
Mar. 31, 2024
Sep. 30, 2025
Total BSAs                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 223,944   223,944
Number of instruments issued (in shares) 486,714             39,370 125,000   164,370
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 388,314                   388,314
Number of instruments exercisable (in shares) 146,124                   146,124
Maximum number of shares to be issued if all conditions are met (in shares) 388,314                   388,314
BSA-2015-11                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 96,924   96,924
Number of instruments issued (in shares)             96,924       0
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 96,924                   96,924
Number of instruments exercisable (in shares) 96,924                   96,924
Maximum number of shares to be issued if all conditions are met (in shares) 96,924                   96,924
BSA-2015-12                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 16,400   16,400
Number of instruments issued (in shares)             82,000       0
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 16,400                   16,400
Number of instruments exercisable (in shares) 16,400                   16,400
Maximum number of shares to be issued if all conditions are met (in shares) 16,400                   16,400
BSA-2017-1                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 16,400   16,400
Number of instruments issued (in shares)           16,400         0
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 16,400                   16,400
Number of instruments exercisable (in shares) 16,400                   16,400
Maximum number of shares to be issued if all conditions are met (in shares) 16,400                   16,400
BSA-2018-1                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 16,400   16,400
Number of instruments issued (in shares)         49,200           0
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 16,400                   16,400
Number of instruments exercisable (in shares) 16,400                   16,400
Maximum number of shares to be issued if all conditions are met (in shares) 16,400                   16,400
BSA-2024-1                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 58,365   58,365
Number of instruments issued (in shares)       58,365           77,820 0
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 58,365                   58,365
Number of instruments exercisable (in shares) 0                   0
Maximum number of shares to be issued if all conditions are met (in shares) 58,365                   58,365
BSA-2024-2                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 19,455   19,455
Number of instruments issued (in shares)       19,455             0
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 19,455                   19,455
Number of instruments exercisable (in shares) 0                   0
Maximum number of shares to be issued if all conditions are met (in shares) 19,455                   19,455
BSA-2025-1                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 0   0
Number of instruments issued (in shares)     100,000               100,000
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 100,000                   100,000
Number of instruments exercisable (in shares) 0                   0
Maximum number of shares to be issued if all conditions are met (in shares) 100,000                   100,000
BSA-2025-2                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 0   0
Number of instruments issued (in shares)     25,000               25,000
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 25,000                   25,000
Number of instruments exercisable (in shares) 0                   0
Maximum number of shares to be issued if all conditions are met (in shares) 25,000                   25,000
BSA-2025-3                      
Disclosure of terms and conditions of share-based payment arrangement [line items]                      
Number of instruments outstanding, beginning balance (in shares)                 0   0
Number of instruments issued (in shares)   39,370                 39,370
Number of instruments lapsed (in shares)                     0
Number of instruments exercised (in shares)                     0
Number of instruments outstanding, ending balance (in shares) 39,370                   39,370
Number of instruments exercisable (in shares) 0                   0
Maximum number of shares to be issued if all conditions are met (in shares) 39,370                   39,370