Convertible preferred stock and members's/stockholders' equity (deficit) - Schedule of Common Stock Reserved for Future Issuance (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jul. 31, 2020
Class Of Stock [Line Items]
Common Stock, Shares, Issued	35,799,233	32,171,560	6,220,050
Common Stock, Shares, Outstanding	35,799,233	32,171,560
Total number of common shares reserved for issuance	6,247,701	6,122,181
Warrants [Member]
Class Of Stock [Line Items]
Warrants for the purchase of common stock	151,088	717,674
Restricted Stock Units (RSUs)
Class Of Stock [Line Items]
Common Stock, Shares, Issued	2,061,948	2,535,143
Common Stock, Shares, Outstanding	2,061,948	2,535,143
2020 Plan [Member]
Class Of Stock [Line Items]
Awards	3,211,854	2,404,535
Employees Stock Purchase Plan [Member]
Class Of Stock [Line Items]
Common Stock, Shares, Issued	11,182
Awards	822,811	464,829
Total number of common shares reserved for issuance	822,811