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Convertible Preferred Stock and Stockholders' Deficit (Tables)

9 Months Ended

Sep. 30, 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, 2020			646,953			$	145
Vested shares			(216,540	)			(8	)
Balance at September 30, 2021			430,413			$	137