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Net Loss Per Share
 6 Months Ended
Jun. 30, 2014
Net Loss Per Share  
Net Loss Per Share

Note 7—Net Loss Per Share

        A reconciliation of the basic and diluted net loss per share computations for the three and six months ended June 30, 2014 and 2013 is as follows (in thousands, except per share data):

 
   For the three months ended June 30,  
 
   2014   2013  
 
   Basic   Diluted   Basic   Diluted  

Numerator:

                          

Net loss

   $ (151,391 ) $ (151,391 ) $ (34,492 ) $ (34,492 )

Denominator:

                          

Average number of common shares outstanding(1)

     65,024     65,024     62,632     62,632  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net loss per share

   $ (2.33 ) $ (2.33 ) $ (0.55 ) $ (0.55 )
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                   


 

 
   For the six months ended June 30,  
 
   2014   2013  
 
   Basic   Diluted   Basic   Diluted  

Numerator:

                          

Net loss

   $ (243,569 ) $ (243,569 ) $ (83,936 ) $ (83,936 )

Denominator:

                          

Average number of common shares outstanding(1)

     63,983     63,983     62,614     62,614  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net loss per share

   $ (3.81 ) $ (3.81 ) $ (1.34 ) $ (1.34 )
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                   
(1)
In periods of net loss, the number of shares used to calculate diluted earnings per share is the same as basic earnings per share; therefore, the effect of dilutive securities is zero for such periods. The weighted average number of stock options and restricted stock units outstanding for the three months ended June 30, 2014 and 2013 totaling 1,886 and 600, respectively, were excluded from the calculation above because their effect would have been anti-dilutive. Additionally, the weighted average number of stock options and restricted stock units outstanding for the six months ended June 30, 2014 and 2013 totaling 1,348 and 482, respectively, were excluded from the calculation above because their effect would have been anti-dilutive.

        The tables below sets forth stock options exercised and restricted stock units vested for the three and six months ended June 30, 2014 and 2013:

 
   For the three
months ended
June 30,		   For the six
months ended
June 30,		  
 
   2014   2013   2014   2013  

Stock options exercised

     8,659     —     18,300     24,831  

Restricted stock units vested

     42,849     8,803     78,552     25,676  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total

     51,508     8,803     96,852     50,507  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​