Stockholders’ equity - Common Stock (Details) - shares	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	14,736,953	11,944,664
Warrants and share-based payment awards
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	14,736,953	11,944,664
Share-based payments | Stock options
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	10,902,845	10,051,283
Share-based payments | Restricted stock units
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	3,834,108	1,870,791
Warrants
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	0	22,590