Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 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 June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Cost of sales	$	1,528	$	1,120	$	2,816	$	1,776
Research and development		2,977		1,925		5,559		3,153
Sales and marketing		699		362		1,223		580
General and administrative		5,223		3,609		9,963		5,873
Total stock-based compensation	$	10,427	$	7,016	$	19,561	$	11,382

Summary of Weighted Average Valuation Assumptions Used for Options

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

	Six Months Ended June 30,
	2022			2021
Valuation assumptions
Expected dividend yield		—	%		—	%
Expected volatility		56	%		59	%
Expected term (years)		4.75			4.66
Risk-free interest rate		1.90	%		0.68	%