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Shareholders’ equity - Disclosure of reconciliation of BSAs, equity line agreement (Details) - BSAs
12 Months Ended
Oct. 01, 2022
shares
Dec. 31, 2024
shares
Dec. 31, 2022
shares
Dec. 31, 2021
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Number of instruments outstanding, beginning balance (in shares)   147,196    
Number of instruments exercised (in shares)   0    
Number of instruments lapsed (in shares)   (1,072)    
Number of instruments outstanding, ending balance (in shares)   223,944    
Maximum number of shares to be issued if all conditions are met (in shares)   223,944    
Equity line agreement with Kepler Cheuvreux        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Number of instruments outstanding, beginning balance (in shares)     300,000  
Number of instruments exercised (in shares)     0  
Number of instruments lapsed (in shares) (300,000)   (300,000)  
Number of instruments outstanding, ending balance (in shares)     0  
Maximum number of shares to be issued if all conditions are met (in shares)     0 300,000