Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Classification of Stock Based Compensation Expense

. The following table presents classification of stock-based compensation expense within the unaudited condensed consolidated statements of operations:

	Three Months Ended March 31,
	2022		2021
Cost of sales	$	1,288	$	657
Research and development		2,582		1,228
Sales and marketing		524		218
General and administrative		4,740		2,263
Total stock-based compensation	$	9,134	$	4,366

Summary of Weighted Average Valuation Assumptions Used for Options

Following are the weighted average valuation assumptions used for option awards during the periods presented:

	Three Months Ended March 31,
	2022			2021
Valuation assumptions
Expected dividend yield		—	%		—	%
Expected volatility		56	%		59	%
Expected term (years)		4.74			4.67
Risk-free interest rate		1.77	%		0.67	%