Stockholders’ equity - Common Stock (Details) - shares	Dec. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	24,188,968	14,736,953
Warrants and share-based payment awards
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	24,188,968	14,736,953
Share-based payments | Stock options
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	12,219,248	10,902,845
Share-based payments | Restricted stock units
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	3,933,032	3,834,108
Warrants
Class of Stock [Line Items]
Number of shares reserved for future issuance (in shares)	8,036,688	0