Net Loss Per Common Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted net income (loss) per common share

The following table sets forth the computation of basic and diluted net income (loss) per common share for the periods indicated:

	Three months ended September 30,						Nine months ended September 30,
	2016			2015			2016			2015
Basic and diluted net loss per common share calculation:
Net loss	$	(60,891	)	$	(39,573	)	$	(127,137	)	$	(70,068	)
Weighted average common shares outstanding - basic and diluted	35,594			34,782			35,415			34,432
Net loss per share of common stock - basic and diluted	$	(1.71	)	$	(1.14	)	$	(3.59	)	$	(2.03	)

Schedule of potentially dilutive securities that have been excluded from the computations of diluted weighted average common shares outstanding

The following potentially dilutive securities have been excluded from the computations of diluted weighted average common shares outstanding for the periods presented, as they would be anti-dilutive:

	Three months ended September 30,		Nine months ended September 30,
	2016	2015	2016	2015
Stock options outstanding	3,423	3,224	3,423	3,224
Restricted stock units	721	285	721	285
Total	4,144	3,509	4,144	3,509