Net loss per share - Schedule of Common Stock Excluded From Computation of Diluted Net Loss per Share (Details) - shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares excluded from computation of diluted net loss per share attributable to common stockholders (in shares)	10,056,376	8,624,867
Options to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares excluded from computation of diluted net loss per share attributable to common stockholders (in shares)	6,532,417	6,296,505
Warrants to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares excluded from computation of diluted net loss per share attributable to common stockholders (in shares)	463,269	284,165
Unvested restricted common stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares excluded from computation of diluted net loss per share attributable to common stockholders (in shares)	2,795,976	1,941,688
Options to purchase common stock under ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares excluded from computation of diluted net loss per share attributable to common stockholders (in shares)	264,714	102,509