Stockholders' equity (deficit) - Schedule of Restricted Stock Units (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) $ / shares shares
RSU Awards Outstanding [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Beginning balance, number of shares | shares	246
Granted, number of shares | shares	120
Vested/Released, number of shares | shares	(189)
Ending balance, number of shares | shares	177
Beginning balance, weighted average grant date fair value | $ / shares	$ 29.64
Granted, weighted average grant date fair value | $ / shares	5.12
Vested/Released, weighted average grant date fair value | $ / shares	26.28
Ending balance, weighted average grant date fair value | $ / shares	$ 8.15
Beginning balance, aggregate intrinsic value | $	$ 1,376
Aggregate intrinsic value, vested/released | $	(1,559)
Ending balance, aggregate intrinsic value | $	$ 663
RSU Awards Vested and Not Settled [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Beginning balance, number of shares | shares	189
Granted, number of shares | shares	50
Vested/Released, number of shares | shares	(189)
Ending balance, number of shares | shares	53
Beginning balance, weighted average grant date fair value | $ / shares	$ 26.28
Granted, weighted average grant date fair value | $ / shares	5.12
Vested/Released, weighted average grant date fair value | $ / shares	26.28
Ending balance, weighted average grant date fair value | $ / shares	$ 6.85
Beginning balance, aggregate intrinsic value | $	$ 1,059
Aggregate intrinsic value, vested/released | $	(1,559)
Ending balance, aggregate intrinsic value | $	$ 199