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Net Income (Loss) per Share Attributable to Common Stockholders (Tables)
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Net Income Loss Per Share

The following table sets forth the computation of our basic and diluted net (loss) income per share attributable to common stockholders (in thousands, except share and per share data):

 

 

 

Year Ended December 31,

 

 

 

2104

 

 

2013

 

 

2012

 

Net (loss) income

 

$

(137,125

)

 

$

(83,352

)

 

$

11,366

 

Noncumulative dividends on convertible preferred stock

 

–

 

 

–

 

 

 

(11,366

)

Net loss attributable to common stockholders, basic

 

 

(137,125

)

 

 

(83,352

)

 

 

–

 

Adjustment to undistributed earnings allocated to participating securities

 

–

 

 

–

 

 

–

 

Net loss attributable to common stockholders, diluted

 

$

(137,125

)

 

$

(83,352

)

 

$

–

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shares used in computing net loss per share attributable to common stockholders, basic

 

 

42,977,463

 

 

 

22,842,443

 

 

 

1,350,939

 

Dilutive effect of common stock options

 

–

 

 

–

 

 

 

697,928

 

Shares used in computing net loss per share attributable to common stockholders, diluted

 

 

42,977,463

 

 

 

22,842,443

 

 

 

2,048,867

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net loss per share attributable to common stockholders:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

(3.19

)

 

$

(3.65

)

 

$

–

 

Diluted

 

$

(3.19

)

 

$

(3.65

)

 

$

–