Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share

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Net Loss Per Share
 3 Months Ended
Apr. 30, 2012
Net Loss Per Share [Abstract]  
Net Loss Per Share
9. Net Loss Per Share

Basic net loss per share is computed by dividing the net loss by the weighted-average number of shares of common stock outstanding during the period.

Diluted net income per share is computed by giving effect to all potential shares of common stock, including stock options, restricted stock units, convertible preferred stock warrants and redeemable convertible preferred stock, to the extent dilutive. Basic and diluted net loss per share was the same for the three months ended April 30, 2011 and 2012 as the inclusion of all potential common shares outstanding would have been anti-dilutive.

The following table sets forth the computation of historical basic and diluted net loss per share (in thousands except per share amounts):

 

     Three Months Ended
April 30,		  
     2011     2012  

Numerator

     

Net loss

    $ (6,754 )    $ (20,228 ) 

Accretion of redeemable convertible preferred stock

      (70 )      —     

Increase in cumulative dividends payable upon conversion or liquidation of redeemable convertible preferred stock

      (2,320 )      —     
  

 

 

    

 

 

  

Net loss attributable to common stockholders

    $ (9,144 )    $ (20,228 ) 
  

 

 

    

 

 

  

Denominator

     

Weighted-average common shares outstanding used in computing basic and diluted net loss per share

      14,900        165,404   
  

 

 

    

 

 

  

Net loss per share, basic and diluted

    $ (0.61 )    $ (0.12 ) 
  

 

 

    

 

 

  

Net loss was increased by the cumulative dividends payable upon conversion or liquidation of redeemable convertible preferred shares earned during the period to arrive at net loss attributable to common stockholders for the three months ended April 30, 2011. Dividends were accrued up through the conversion at the close of the IPO in June, 2011.

The following potential common shares outstanding were excluded from the computation of diluted net loss per share because including them would have been anti-dilutive (in thousands):

 

     Three Months Ended  
     April 30,
2011		      April 30,
2012		  

Options to purchase common stock

      37,633         33,228   

Warrants to purchase convertible preferred stock

      403         —     

Restricted stock units

      —           3,335   

Convertible preferred stock

      137,295         —     
  

 

 

     

 

 

  

Total common stock equivalents

      175,331         36,563