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Capital Stock (Tables)
12 Months Ended
Jan. 31, 2013
Components of Redeemable Convertible Preference Shares

Redeemable convertible preference shares at January 31, 2012 consisted of the following:

 

     Par Value
Per Share
     Shares      Initial
Liquidation

Preference
 

Series

      Authorized      Outstanding     
                          (in thousands)  

A

   $ 0.00045         5,611,111         5,611,107       $ 10,100   

B

   $ 0.00045         3,665,550         3,629,253         13,000   

C

   $ 0.00045         3,027,777         3,027,771         16,350   

D

   $ 0.00045         2,222,222         1,047,596         11,785   
     

 

 

    

 

 

    

 

 

 
        14,526,660         13,315,727       $ 51,235   
     

 

 

    

 

 

    

 

 

 
Schedule of Ordinary Shares Reserved for Future Issuance

As of January 31, 2013 and 2012, the following ordinary shares were reserved for future issuance:

 

    As of January 31,  
    2013     2012  

Shares reserved for redeemable convertible preference shares

    —          13,315,727   

Shares reserved for options and restricted stock units

    5,818,126        4,960,843   

Shares reserved for employee stock purchase plan

    460,445        —     

Shares reserved for warrants

    36,292        36,292