Common Stock - Schedule of Common Stock Shares Reserved for Future Issuance (Details) - shares	Nov. 30, 2022	Jul. 31, 2022	Nov. 30, 2021
Class Of Stock [Line Items]
Common stock, capital shares reserved for future issuance (in shares)	18,016,515		9,476,306
Pre-funded warrants issued and outstanding
Class Of Stock [Line Items]
Common stock, capital shares reserved for future issuance (in shares)	6,814,920	6,814,920	0
Shares available for issuance under employee stock purchase plan
Class Of Stock [Line Items]
Common stock, capital shares reserved for future issuance (in shares)	1,325,523		1,015,184
Options to purchase common stock issued and outstanding
Class Of Stock [Line Items]
Common stock, capital shares reserved for future issuance (in shares)	8,256,957		5,878,552
Shares available for future stock option grants
Class Of Stock [Line Items]
Common stock, capital shares reserved for future issuance (in shares)	834,291		2,562,570
Restricted stock units issued and outstanding
Class Of Stock [Line Items]
Common stock, capital shares reserved for future issuance (in shares)	784,824		20,000