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CONVERTIBLE NOTES (Tables)
12 Months Ended
Dec. 31, 2012
CONVERTIBLE NOTES  
Schedule of convertible notes

 

 

 
  At December 31,
2011
  At December 31,
2012
 
 
  $
  $
 

Carrying amount of the equity component

    156,848      
           

Principal amount of the debt component

    1,000,000      

Unamortized debt discount

    49,699      
           

Net carrying amount of the debt component

    950,301