Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2023

Stockholders' Equity Note [Abstract]

Share-based Compensation, Stock Options, Activity

A summary of employees’ stock options activities during the three months ended March 31, 2023 is as follows:

 

	Three Months Ended March 31, 2023 (unaudited)
	Number	Weighted average exercise price		Aggregate intrinsic value (in thousands)		Weighted average remaining contractual life (years)
Options outstanding as of January 1, 2023	691,573	$	7.533	$	11,347	1.901
Granted	—	$	—
Exercised	(39,371)	$	6.518
Forfeited and expired	(2,100)	$	7.192
Options outstanding as of March 31, 2023	650,102	$	7.596	$	11,971	1.727
Options exercisable as of March 31, 2023	645,311	$	7.610	$	11,874	1.689

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

The options outstanding as of March 31, 2023 (unaudited) have been separated into ranges of exercise price as follows:

Range of exercise price				Options outstanding as of March 31, 2023	Weighted average remaining contractual life (years)	Weighted average exercise price of options outstanding		Options exercisable as of March 31, 2023	Weighted average remaining contractual life (years)	Weighted average exercise price of options exercisable
$	4.157	—	5.682	88,384	3.702	$	5.565	83,593	3.520	$	5.558
$	6.503	—	8.077	423,016	1.299	$	7.111	423,016	1.299	$	7.111
		$9.960		120,180	1.896	$	9.960	120,180	1.896	$	9.960
		$13.287		18,522	0.975	$	13.287	18,522	0.975	$	13.287
				650,102	1.727	$	7.596	645,311	1.689	$	7.610

Schedule of Stockholders' Equity Note, Warrants or Rights

The Company’s outstanding options granted to consultants for services as of March 31, 2023 (unaudited) were as follows:

	Number of options outstanding and exercisable as of March 31, 2023	Range of exercise price per share					Exercisable through
August 2013 - February 2016	22,650	$	5.623	—	$	13.287	August 2023 - February 2026

Schedule of Share-based Payment Arrangement, Restricted Stock Unit and Performance Stock Unit Activity

A summary of RSUs and PSUs for employees, consultants and non-employee directors of the Company for the three months ended March 31, 2023 (unaudited) is as follows:

 

	Number of shares underlying outstanding RSUs and PSUs	Weighted- average grant date fair value
Unvested balance - January 1, 2023	8,340,732	$	41.82
Granted	3,476,735	$	28.49
Vested	(2,547,676)	$	38.44
Forfeited	(380,627)	$	42.25
Unvested balance – March 31, 2023	8,889,164	$	37.59

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The Company recognized stock-based compensation expense in the consolidated statements of operations as follows (in thousands):

 

	Three Months Ended March 31,
	2023		2022
	(unaudited)
Cost of revenues	$	2,500	$	3,087
Research and development	12,523		12,600
Sales and marketing	12,762		13,096
General and administrative	8,026		7,215
Total	$	35,811	$	35,998