Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the basic and diluted net loss per share:  

	Year Ended
	December 31, 2019			December 31, 2018
Basic and Diluted EPS:
Net loss	$	(25,478	)	$	(61,822	)
Weighted-average common shares outstanding	52,634			50,602
Weighted-average unvested restricted shares	(20)			(343)
Weighted-average common shares outstanding used to compute net loss per share	52,614			50,259
Basic and diluted net loss per share	$	(0.48	)	$	(1.23	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following weighted-average shares have been excluded from the calculation of diluted net loss per share attributable to common stockholders for each period presented because they are anti-dilutive:

	Year Ended
	December 31, 2019	December 31, 2018
	(in thousands)
Options to purchase common stock	793	128
Unvested restricted stock awards	13	218
Unvested restricted stock units	4,211	2,029
ESPP	34	55
Total shares excluded from net loss per share	5,051	2,430