Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2021

Share-based Payment Arrangement [Abstract]

Restricted Stock Unit Activity

A summary of our restricted stock unit activity under the 2018 Plan for the six months ended June 30, 2021 is set forth below:

	Shares	Weighted Average Grant Date Fair Value
Outstanding as of December 31, 2020	1,677,060	$	1.41
Granted	4,292,176	1.87
Released	(1,109,661)	1.48
Forfeited	(194,515)	1.43
Outstanding as of June 30, 2021	4,665,060	$	1.82

Stock-Based Compensation

A summary of our option activity under the 2009 Plan and related information is as follows:

	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding as of December 31, 2020	1,208,740	$	0.80	6.19	$	700
Granted	—	—
Exercised	(130,101)	0.55
Forfeited	(6,857)	2.08
Outstanding as of June 30, 2021	1,071,782	$	0.82	6.12	$	728
Exercisable as of June 30, 2021	999,508	$	0.79	6.09	$	695

Condensed Income Statement

Compensation costs that have been included in our condensed consolidated statements of operations and comprehensive loss for all stock-based compensation arrangements is set forth below:

	Three Months Ended June 30,				Six Months Ended June 30,
Stock-based compensation	2021		2020		2021		2020
Cost of revenues	$	323	$	62	$	532	$	113
Sales and marketing	129		22		231		29
General and administrative	709		1,039		1,334		1,638
Research and development	222		(8)		341		(30)
Total stock-based compensation	$	1,383	$	1,115	$	2,438	$	1,750