Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]

Summary of fair value hierarchy

Description	Level	September 30, 2021 (As restated)		December 31, 2020
Liabilities:
Warrant liabilities (Note 11)	3	$	1,261,550	$	—
Earnout Cash liability (Note 5)	3	$	26,283,238	$	—

Schedule of significant unobservable inputs

The significant inputs used in the Black-Scholes model to measure the warrant liabilities that are categorized within Level 3 of the fair value hierarchy are as follows:

	September 30, 2021			At Effective Time
	(As restated)
Expected life		1.77 - 4.65			0.3 - 5.0
Volatility		82.5% - 85.9%			39.0% - 80.0%
Risk-free rate		0.15% - 0.32%			0.03% - 0.82%
Dividend yield		—	%		—	%
Fair value of warrants		$4.26 - $7.40			$14.56 - $22.72

Common stock warrants

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]

Schedule of reconciliation of liabilities

A reconciliation of warrant liabilities is included below:

	Fair Value (As restated)
Balance as of December 31, 2020	$	—
Additions pursuant to Merger		40,204,122
Gain upon re-measurement		(17,359,009)
Balance as of June 30, 2021		22,845,113
Loss upon re-measurement		16,536,469
Reclassification to additional paid-in capital upon exercise		(38,120,032)
Balance as of September 30, 2021	$	1,261,550

Earnout Cash liability

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]

Schedule of reconciliation of liabilities

A reconciliation of the Earnout Cash liability is included below:

	Fair Value
Balance as of December 31, 2020	$	—
Additions pursuant to Merger		25,520,195
Loss upon re-measurement		354,701
Balance as of June 30, 2021		25,874,896
Loss upon re-measurement		408,342
Balance as of September 30, 2021	$	26,283,238