Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Schedule of Assumptions Used to Estimate Fair Value of Awards

The fair value of market based RSUs was estimated at the date of grant using the Monte-Carlo option pricing model with the assumptions below. Additional details on the Company's market based RSUs are included below.

	Three Months Ended March 31,
	2022
Expected term (in years)	2.88
Expected volatility	81.2	%
Risk-free interest rate	1.72	%
Dividend yield	—	%

Summary of Total Stock-Based Compensation Expense Included in Statements of Operations and Comprehensive Loss

The following table summarizes the total stock-based compensation expense included in the statements of operations and comprehensive loss for all periods presented (in thousands):

	Three Months Ended March 31,
	2022		2021
Cost of revenue	$	386	$	423
Research and development	1,495		1,659
Selling, general and administrative	12,022		18,148
Total stock-based compensation expense	$	13,903	$	20,230