Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Stock-Based Compensation

Summary of the status of restricted stock units

				Average
		Weighted		Remaining
	Number	Average Grant		Contractual Life	Aggregate
	of Shares	Date Fair Value		(Years)	Intrinsic Value
Balance as of December 31, 2018	893,297	$	5.86	0.76	$	5,239
Shares granted	268,607
Shares forfeited	(151,067)
Shares vested	(610,482)
Balance as of September 30, 2019	400,355	$	2.12	1.43	$	849

Schedule of stock option activity

		Weighted		Average Remaining
		Average		Vesting Period	Aggregate
	Outstanding	Exercise Price		(Years)	Intrinsic Value
Balance as of December 31, 2018	3,570,300	$	6.06	2.92	$	9,590
Granted	2,050,600
Exercised	—
Forfeited	(618,200)
Expired	—
Balance as of September 30, 2019	5,002,700	$	4.13	2.74	$	9,864