Convertible Preferred Series Equity and Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Details)	Sep. 30, 2021 shares
Class of Stock [Line Items]
Total common stock reserved for future issuance	27,798,275
Common Stock Options Granted and Outstanding
Class of Stock [Line Items]
Total common stock reserved for future issuance	5,307,200
Common Stock Reserved for Future Option Grants
Class of Stock [Line Items]
Total common stock reserved for future issuance	2,069,875
Convertible Preferred Stock
Class of Stock [Line Items]
Total common stock reserved for future issuance	20,421,200