Net Loss Per Common Share

12 Months Ended

Dec. 31, 2014

Net Loss Per Common Share

Net Loss Per Common Share

4. Net Loss Per Common Share

Basic and diluted net loss per common share is determined by dividing net loss applicable to common stockholders by the weighted average common shares outstanding during the period. For the periods where there is a net loss attributable to common shareholders, the outstanding shares of preferred stock, stock options, and warrants have been excluded from the calculation of diluted loss per common share because their effect would be anti-dilutive. Therefore, the weighted average shares used to calculate both basic and diluted loss per share would be the same. The following table sets forth the computation of basic and diluted net loss per share for the periods indicated:

	Year ended December 31,
	2014 (Restated)			2013			2012
Basic and diluted net loss per common share calculation:
Net loss	$	(116,772	)	$	(51,145	)	$	(14,562	)
Accretion of preferred stock dividends	—			(5,891		)	(7,063		)
Net loss attributable to common stockholders	$	(116,772	)	$	(57,036	)	$	(21,625	)
Weighted average common shares outstanding	33,258			9,003			1,452
Net loss per share of common stock - basic and diluted	$	(3.51	)	$	(6.34	)	$	(14.89	)

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

	Years ended December 31,
	2014	2013	2012
Redeemable convertible preferred stock	—	—	16,663
Options outstanding	3,680	2,708	1,344
Warrants	14	88	94
Restricted stock units	37	—	—
Total	3,731	2,796	18,101