Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

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, 2020		1,789,750		$	3.62		3.8	$	25,077
Exercised		(757,318	)		3.17
Forfeited		—			—
Cancelled		(80	)		4.72
Balance March 31, 2021		1,032,352		$	3.93		4.3	$	13,660
Vested and expected to vest, March 31, 2021		986,020		$	3.91		4.3	$	13,618
Vested and exercisable, March 31, 2021		945,951		$	3.72		4.2	$	13,200

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, 2020		3,909,559		$	15.25		7.4	$	1,700,194
Granted		—			—
Exercised		(471,211	)		7.76
Forfeited		(33,291	)		8.46
Cancelled		(36,414	)		42.61
Balance March 31, 2021		3,368,643		$	16.02		7.2	$	43,421
Vested and expected to vest, March 31, 2021		3,360,695		$	15.87		7.2	$	43,213
Vested and exercisable, March 31, 2021		2,902,957		$	13.77		7.2	$	38,916

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, 2020		1,884,390		$	15.22
Granted		350,311			20.02
Vested		(289,388	)		15.59
Forfeited		(170,641	)		11.84
Non-vested March 31, 2021		1,774,672		$	16.33

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, 2020		540,836		$	7.13
Vested		(341,543	)		7.18
Non-vested March 31, 2021		199,293		$	7.05