Equity-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Payment Award, Valuation Assumptions

The assumptions used in determining the fair value of the Incentive Units at the grant date are as follows:

	February 16, 2021
Volatility	57.0%
Risk-free interest rate	0.1%
Expected time to exit (in years)	1.6

The assumptions used in determining the fair value of the Incentive Units at the modification date are as follows:

	July 29, 2021
Volatility	46.0%
Risk-free interest rate	0.2%
Expected time to exit (in years)	1.2

Schedule of Share-based Payment Arrangement, Activity

The table below presents the activity in Tranche II of the Incentive Units:

Unvested as of December 31, 2023	1,155,000
Unvested as of June 30, 2024	1,155,000

Schedule of Share-based Payment Arrangement, Option, Activity

The table below presents the activity of outstanding stock options:

	Stock Options Outstanding	Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value
Outstanding as of December 31, 2023	5,127,673	$	2.14	9.03	$	2,209
Exercised	(87,324)	1.35
Forfeited	(800,858)	2.36
Expired	(60,915)	3.43
Outstanding as of June 30, 2024	4,178,576	$	2.09	8.48	$	372
Vested and exercisable as of June 30, 2024	1,430,565	$	2.28	8.30	$	150

Schedule of Share-based Payment Arrangement, Restricted Stock Unit, Activity

The table below presents the activity in the RSUs:

	RSUs Outstanding	Weighted-Average Grant Date Fair Value Per Share
Unvested as of December 31, 2023	10,052,113	$	2.11
Granted	9,240,739	2.04
Vested	(2,868,984)	2.15
Forfeited	(1,331,852)	2.44
Unvested as of June 30, 2024	15,092,016	$	2.03

Schedule of Share-based Payment Arrangement, Performance Shares, Activity

The table below presents the activity in the PSUs:

	PSUs Outstanding	Weighted-Average Grant Date Fair Value Per Share
Unvested as of December 31, 2023	2,585,831	$	1.70
Granted	3,669,683	2.74
Vested	(2,456,977)	1.80
Forfeited	(578,434)	1.77
Unvested as of June 30, 2024	3,220,103	$	2.79

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions

The table below presents the assumptions used to estimate the grant date fair value of the purchase rights under the ESPP:

	June 30, 2024	December 31, 2023
Price of common stock on the grant date	$1.50	$1.80 to $2.09
Expected term (in years)	0.50	0.50
Expected volatility(1)	122.9%	94.9% to 162.2%
Risk-free rate of return	5.3%	5.3% to 5.4%
Expected annual dividend yield	—%	—%
Fair value of the award on the grant date	$0.74	$0.75 to $1.23

(1) Expected volatility is based on a combination of implied and historical equity volatility of selected reasonably similar publicly traded companies.

Schedule of Share-based Payment Arrangement, Expensed and Capitalized, Amount

The table below presents the total equity-based compensation expense recognized for Incentive Units, stock options, RSUs, PSUs and ESPP in selling, general and administrative expense, cost of revenues and research and development for the following periods:

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Equity-based compensation expense in selling, general and administrative	$	3,980	$	2,319	$	6,151	$	5,122
Equity-based compensation expense in cost of revenues	799		1,442		3,452		2,316
Equity-based compensation expense in research and development	970		233		1,303		361
Total equity-based compensation expense	$	5,749	$	3,994	$	10,906	$	7,799