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PREPAID EXPENSES AND OTHER CURRENT ASSETS
12 Months Ended
Dec. 31, 2012
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,  
    2011     2012  
             
Prepaid expenses   $ 555     $ 274  
Value added tax refundable     881       3,377  
Interest receivables     86       350  
Others     153       287  
    $ 1,675     $ 4,288