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Convertible Preferred Stock and Stockholders' Deficit (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Summary of Restricted Shares of Common Stock and Unvested Stock Liability

A summary of the Company’s restricted shares of common stock and unvested stock liability, which is included in accrued expenses and other current liabilities and other long-term liabilities on the Company’s balance sheets, is as follows (in thousands, except share data):


		Shares				Liability
Balance at December 31, 2019			811,268			$	1
Shares early exercised			153,373				145
Vested shares			(317,688	)			(1	)
Balance at December 31, 2020			646,953				145
Vested shares			(407,127	)			(122	)
Balance at December 31, 2021			239,826			$	23