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Net Income Per Ordinary Share (Tables)
 3 Months Ended
Apr. 30, 2013
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Net Income Per Ordinary Share

The following table sets forth the computation of basic and diluted net income per ordinary share for the periods indicated:

 

     Three Months Ended April 30,  
     2013     2012  
     (in thousands, except share and per share data)  

Numerator:

     

Net income

    $ 4,741      $ 2,602   

Less: amount allocable to preference shareholders

      —          (2,028 ) 

Less: amount allocable to unvested early exercised options

      (9 )      (8 ) 
  

 

 

    

 

 

  

Net income allocable to ordinary shareholders - basic

    $ 4,732      $ 566   
  

 

 

    

 

 

  

Undistributed earnings reallocated to ordinary shareholders

      1        68   
  

 

 

    

 

 

  

Net income allocable to ordinary shareholders - diluted

    $ 4,733      $ 634   
  

 

 

    

 

 

  

Denominator:

     

Weighted-average ordinary shares outstanding

      27,103,129        7,622,621   

Less: weighted-average unvested early exercised options subject to repurchase

      (46,197 )      (103,261 ) 
  

 

 

    

 

 

  

Weighted-average ordinary shares - basic

      27,056,932        7,519,360   
  

 

 

    

 

 

  

Effect of potentially dilutive securities:

     

Employee stock options

      1,688,768        1,512,350   

Restricted stock units

      141,647        —     

Employee stock purchase plan

      170,817        —     

Warrants to purchase ordinary shares

      7,898        —     

Weighted-average ordinary shares - diluted

      29,066,062        9,031,710   
  

 

 

    

 

 

  

Net income per ordinary share:

     

Basic

    $ 0.17      $ 0.08   
  

 

 

    

 

 

  

Diluted

    $ 0.16      $ 0.07   
  

 

 

    

 

 

  
Weighted-Average Potentially Dilutive Securities Excluded from Computation of Diluted Net Income Per Ordinary Share

The following weighted-average potentially dilutive securities were excluded from the computation of diluted net income per ordinary share as their effect would have been antidilutive:

 

     Three Months Ended April 30,  
     2013      2012  

Options to purchase ordinary shares

      390,928         2,046,941   

Restricted stock units

      6,303         —     

Employee stock purchase plan

      —           —     

Early exercised options subject to repurchase

      46,197         103,261   

Redeemable convertible preference shares (if-converted basis)

      —           13,315,727   

Warrants to purchase redeemable convertible preference shares (if-converted basis)

      —           36,292   

Warrants to purchase ordinary shares

      —           —     
  

 

 

     

 

 

  
     443,428         15,502,221