Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Schedule Of Stock Based Compensation Expense [Abstract]

Schedule of Weighted Average Grant Fair Value of Stock Options using Black-Scholes Option-pricing Model

The following table presents, on a weighted average basis, the assumptions used in the Black-Scholes option-pricing model to determine the grant-date fair value of stock options granted during the nine months ended September 30, 2021:

Risk-free interest rate		0.8	%
Expected term (in years)	4.65
Expected volatility		80.4	%
Expected dividend yield		0	%

Schedule of Stock Option Activity

The following table summarizes option activity with service conditions under the 2021 Plan and the 2017 Plan:

	Options			Weighted average exercise price		Weighted average contract life	Aggregate Intrinsic Value
Balance at January 1, 2021		17,167,165		$	1.63	7.3	$	100,633
Granted		9,681,736		8.57
Exercised		(472,256	)	0.37
Forfeited		(347,858	)	6.01
Outstanding at September 30, 2021		26,028,787		$	4.17	7.7	$	96,869
Vested and expected to vest September 30, 2021		26,028,787		$	4.17	7.7	$	96,869
Exercisable at September 30, 2021		18,845,930		$	3.47	7.1	$	82,250

Schedule of Stock-based Compensation Expense

The Company recorded stock-based compensation expense in the following expense categories of its condensed consolidated statements of operations:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	12	$	13	$	44	$	53
Research and development		2,682		426		10,345		1,000
Selling, general and administrative		6,186		644		27,688		2,302
	$	8,880	$	1,083	$	38,077	$	3,355