Net Loss Per Share - Schedule of Antidilutive Securities Excluded From Computation of Dilutied Net Loss Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount	13,316,913	46,643,533
Employee stock options issued and outstanding
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount	9,139,344	4,475,799
Series A Common Stock Equivalent Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount	2,500,000	0
Common stock subject to the Company's right of repurchase
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount	1,677,569	3,212,190
Series Seed Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount	0	6,520,790
Series A Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount	0	12,932,429
Series B Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount	0	19,373,169
SVB Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount	0	129,156