Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense

Stock-based compensation expense is included in the following line items in the condensed consolidated statements of operations (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Sales and marketing	$	772	$	471	$	1,529	$	851
General and administrative	2,097		1,781		3,879		3,048
Research and development	4,226		3,168		8,045		5,787
Total stock-based compensation expense	$	7,095	$	5,420	$	13,453	$	9,686

The following table summarizes the components of non-cash stock-based compensation expense (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Stock options and assumed options	$	1,015	$	1,102	$	1,816	$	1,895
Restricted stock units	6,048		4,271		11,558		7,700
Employee stock purchase plan	32		47		79		91
Total stock-based compensation expense	$	7,095	$	5,420	$	13,453	$	9,686
Tax benefit from stock-based awards	$	1,610	$	2,171	$	2,188	$	3,485