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PREPAID EXPENSES AND OTHER CURRENT ASSETS
12 Months Ended
Dec. 31, 2013
PREPAID EXPENSES AND OTHER CURRENT ASSETS [Abstract]  
PREPAID EXPENSES AND OTHER CURRENT ASSETS
  4 PREPAID EXPENSES AND OTHER CURRENT ASSETS

 

Prepaid expenses and other current assets consisted of the following:

 

    At December 31,  
    2012     2013  
             
Prepaid expenses   $ 274     $ 1,135  
Value added tax refundable     3,377       2,213  
Interest receivables     350       462  
Others     287       162  
    $ 4,288     $ 3,972