Common Stock - Reserved for Future Issuance (Details) - shares	Oct. 31, 2022	Jan. 31, 2022
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	140,393,840	106,331,590
Convertible Debt
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	20,743,081	0
2021 Stock Option Plan
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	40,060,867	36,370,596
Common Stock Warrants
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	34,587,257	35,549,024
Options to purchase common stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	18,785,716	22,200,869
Restricted stock units
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	15,297,013	4,033,418
Employee stock purchase plan
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	10,919,906	8,177,683