Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

A summary of stock option activities during 2022 is as follows:


	Shares	Weighted Average Exercise Price	Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
			(Years)	(In thousands)
Option:







Options outstanding as of December 31, 2021	9,791	$7.04
Exercised	—
Expired	—
Options outstanding as of March 31, 2022	9,791	$7.04	2.19	$	—
Options exercisable as of March 31, 2022	9,791	$7.04	2.19	$	—
Options vested and expected to vest as of March 31, 2022	9,791	$7.04	2.19	$	—

A summary of RSA and RSU activities during 2022 is as follows (in thousands except share and per share amount):


	Shares	Weighted Average Grant Date Fair Value per Share	Fair Value of RSU/RSA Released
RSA:






RSAs outstanding as of December 31, 2021	211,298	$6.63
Granted	124,330	$3.64

RSAs outstanding as of March 31, 2022	335,628	$5.52

RSU:









RSUs outstanding as of December 31, 2021	5,126,896	$10.51
Granted	643,568	$3.77
Released	(461,984)	$12.17	$1,609
Forfeited	(620,128)	$10.94
RSUs outstanding as of March 31, 2022	4,688,352	$9.36

PRSU:


PRSUs outstanding as of December 31, 2021	330,505	$6.72
Released	(330,505)	$6.72	$1,292
PRSUs outstanding as of March 31, 2022	—

The following table presents stock-based compensation expense included in the Company’s consolidated statements of operations (in thousands):


	Three Months Ended March 31,
	2022		2021
Cost of revenue	$	521	$	536
Research and development	2,356		4,910
Sales and marketing	871		1,986
General and administrative	1,187		4,098
Total stock-based compensation expense	$	4,935	$	11,530