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Net Loss Per Share
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Net Loss Per Share

11.

Net Loss Per Share

Basic net loss per share allocable to common stockholders is calculated by dividing the net loss allocable to common stockholders by the weighted-average number of common shares outstanding during the period. Diluted net loss per share allocable to common stockholders is computed by dividing the net loss allocable to common stockholders by the weighted-average number of common shares outstanding during the period and giving effect to all potentially dilutive common shares using the treasury-stock method. For purposes of this calculation, common stock subject to repurchase by us, outstanding stock options, stock awards, warrants and Series B Convertible Preferred Stock are considered to be potentially dilutive common shares and are only included in the calculation of diluted net loss per share allocable to common stockholders when their effect is dilutive.

 

 

 

December 31,

 

 

 

2014

 

 

2013

 

 

2012

 

Basic and diluted net loss per share (in thousands, except per share amounts):

 

 

 

 

 

 

 

 

 

 

 

 

Numerator:

 

 

 

 

 

 

 

 

 

 

 

 

Net loss

 

 

(90,722

)

 

 

(66,720

)

 

 

(69,949

)

Preferred stock deemed dividend

 

 

-

 

 

 

(8,469

)

 

 

-

 

Net loss allocable to common stockholders

 

$

(90,722

)

 

$

(75,189

)

 

$

(69,949

)

Denominator for basic and diluted net loss per share allocable to common stockholders:

 

 

 

 

 

 

 

 

 

 

 

 

Weighted-average common shares outstanding

 

 

26,289

 

 

 

19,628

 

 

 

17,047

 

Basic and diluted net loss per share allocable to common stockholders

 

$

(3.45

)

 

$

(3.83

)

 

$

(4.10

)

 

Outstanding warrants, stock options, Series B Convertible Preferred Stock and stock subject to repurchase by us under stock awards were excluded from the calculation of net loss per share allocable to common stockholders as the effect of their inclusion would have been anti-dilutive.

 

 

 

December 31,

 

 

 

2014

 

 

2013

 

 

2012

 

Outstanding securities not included in diluted net loss per share calculation (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

Stock options and stock awards

 

 

1,998

 

 

 

1,704

 

 

 

1,556

 

Series B Convertible Preferred Stock (as converted to common stock)

 

 

4,343

 

 

 

4,343

 

 

 

-

 

Warrants

 

 

1,081

 

 

 

1,246

 

 

 

1,271

 

 

 

 

7,422

 

 

 

7,293

 

 

 

2,827