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Short-term investments
3 Months Ended
Mar. 31, 2011
Short-term investments [Abstract]  
Short-term Investments
8   Short-term investments
                 
         March 31,
2011
    December 31,
2010
 
    (Unaudited)          
Time deposit
    540       1,793  
 
           
    Represent low risk investments with original due date over three months.