Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Original Stock Option Plan [Member]

Schedule of Stock Option Activity

Stock option activity under the Original Plan is as follows:

	Stock options			Weighted- average exercise price		Weighted- average remaining contractual term (years)		Aggregate intrinsic value
Balance December 31, 2019		3,014,004		$	3.04		5.8	$	44,108
Exercised		(528,261	)		1.15
Forfeited		(62,153	)		4.44
Cancelled		(125,999	)		3.30
Balance September 30, 2020		2,297,591		$	3.38		3.8	$	32,717
Vested and expected to vest, September 30, 2020		2,299,283		$	3.37		3.8	$	32,742
Vested and exercisable, September 30, 2020		2,198,632		$	3.22		3.7	$	31,750

2018 Equity Incentive Plan [Member] | Time-based Stock Options [Member]

Schedule of Stock Option Activity

Time-based stock option activity

	Stock options			Weighted- average exercise price		Weighted- average remaining contractual term (years)		Aggregate intrinsic value
Balance December 31, 2019		5,307,130		$	14.04		8.4	$	44,297
Granted		—			—
Exercised		(286,948	)		7.76
Forfeited		(245,222	)		13.93
Cancelled		(193,127	)		13.11
Balance September 30, 2020		4,581,833		$	14.48		7.6	$	—
Vested and expected to vest, September 30, 2020		4,511,481		$	14.32		7.5	$	—
Vested and exercisable, September 30, 2020		3,276,183		$	12.47		7.6	$	—

2018 Equity Incentive Plan [Member] | Performance-based Stock Options [Member]

Schedule of Stock Option Activity

Performance-based stock option activity

	Stock options			Weighted- average exercise price		Weighted- average remaining contractual term (years)		Aggregate intrinsic value
Balance December 31, 2019		520,000		$	7.76		8.4	$	4,872
Granted		—			—				—
Exercised		(320,000	)		7.76
Forfeited		—			—				—
Cancelled		—			—				—
Balance September 30, 2020		200,000		$	7.76		7.6	$	—
Vested and expected to vest, September 30, 2020		200,000		$	7.76		7.6	$	—
Vested and exercisable, September 30, 2020		200,000		$	7.76		7.6	$	—

2018 Equity Incentive Plan [Member] | Time-based RSU [Member]

Schedule of RSU Activity

Time-based RSU activity

	Time-based RSUs			Weighted-average grant-date fair value per share
Non-vested December 31, 2019		1,423,392		$	42.05
Granted		2,024,334			8.67
Vested		(396,051	)		45.32
Forfeited		(785,641	)		27.88
Cancelled		(17,711	)		31.31
Non-vested September 30, 2020		2,248,323		$	16.46

2018 Equity Incentive Plan [Member] | Performance-based RSUs [Member]

Schedule of RSU Activity

Performance-based RSUs activity

	Performance-based RSUs			Weighted-average grant-date fair value per share
Non-vested December 31, 2019		265,625		$	7.76
Granted		448,230			7.05
Vested		(159,375	)		7.76
Non-vested September 30, 2020		554,480		$	7.19