Net Loss Per Common Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss per Share Attributable to Common Stock holders

The following table sets forth the computation of the basic and diluted net loss per share (in thousands, except share and per share data):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Numerator:
Net loss	$	(18,293	)	$	(9,727	)	$	(37,268	)	$	(34,108	)
Denominator:
Weighted-average shares used to compute net loss per common share, basic and diluted	25,247,831			24,059,010			24,818,482			23,764,153
Net loss per common share, basic and diluted	$	(0.72	)	$	(0.40	)	$	(1.50	)	$	(1.44	)

Schedule of Anti-dilutive Securities Excluded from Diluted Net Loss per Common Share

The following outstanding shares of potentially dilutive securities have been excluded from diluted net loss per common share for the nine months ended September 30, 2019 and 2018, because their inclusion would be anti-dilutive:

	Nine Months Ended, September 30
	2019	2018
Options to purchase common stock	1,625,627	2,205,126
PRSUs and RSUs issued and unvested	881,516	605,985
Warrants to purchase common stock	2,006	4,857
Total	2,509,149	2,815,968