Net loss per share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Anti-dilutive securities
Anti-dilutive securities (in shares)	17,583,202	16,052,928	17,583,202	16,052,928
Stock options
Anti-dilutive securities
Anti-dilutive securities (in shares)	12,642,352	12,359,185	12,642,352	12,359,185
Unvested restricted stock units
Anti-dilutive securities
Anti-dilutive securities (in shares)	4,940,850	3,671,153	4,940,850	3,671,153
Warrants
Anti-dilutive securities
Anti-dilutive securities (in shares)	0	22,590	0	22,590