Warrants (Tables)

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Schedule of Convertible Redeemable Preferred Stock Warrants

The following table summarizes the activity of the redeemable convertible preferred stock warrants since December 31, 2020:

	Issuance Date	Expiration Date	Exercise Price		Warrants Outstanding at December 31, 2020	Warrants Exercised in The Nine Months Ended September 30, 2021	Warrants Outstanding at September 30, 2021
Series A-1	2012	5/14/2022	$	0.17	151,640	151,640	—
Series B	2012	1/31/2019	0.70		—	—	—
Series C	2014	10/10/2024	0.70		562,241	562,241	—
Series C	2016	1/12/2026	—		968,966	968,966	—
Total					1,682,847	1,682,847	—

The following table represents the current period’s activity of the redeemable convertible preferred stock warrant liability (in thousands):

	Fair Value
Balance at January 1, 2021	$	19,735
Change in fair value	18,930
Exercise of warrants	(38,665)
Balance at September 30, 2021	$	—