Net Loss Per Common Share (Tables)

12 Months Ended

Dec. 31, 2019

Net Loss Per Common Share

Schedule of computation of basic and diluted net loss per share

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

	Year Ended December 31,
	2019		2018		2017
Basic and diluted net loss per common share calculation:
Net loss	$	(24,871)	$	(30,784)	$	(71,865)
Net loss attributable to common stockholders	$	(24,871)	$	(30,784)	$	(71,865)
Weighted average common shares outstanding		91,677,963		73,558,548		59,436,649
Net loss per share of common stock - basic and diluted	$	(0.27)	$	(0.42)	$	(1.21)

Schedule of outstanding securities excluded from the computation of diluted weighted shares outstanding as they would have been anti-dilutive

	December 31,
	2019	2018	2017
Options outstanding	7,568,304	8,265,207	8,624,223
RSUs outstanding	2,945,585	1,255,000	—
Warrants	623,091	123,091	123,091
Total	11,136,980	9,643,298	8,747,314