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Intangible and other assets, net (Tables)
9 Months Ended
Sep. 30, 2012
Intangible and Other Assets Net [Abstract]  
Intangible and other assets, net
                 
    At December 31,
2011
    At September 30,
2012
 

Internet domain names

  $ 15,256     $ 14,876  

Less accumulated amortization

    (14,535     (14,513
   

 

 

   

 

 

 

Internet domain names, net

    721       363  

Registration fees, net

    1,142       165  

Other

    328       279  
   

 

 

   

 

 

 

Total intangibles and other assets, net

  $ 2,191     $ 807