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Impairment charges
 12 Months Ended
Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Impairment charges
24. Impairment charges

Impairment charges consist of the following for the years ended December 31:

     2015      2014  

Accounts receivable (Note 6)

      36,403         (2,979 ) 

Note receivables

      —           288   

Prepaid expenses and other current assets (Note 9)

      7,000         648   

Other receivable, related parties (Note 30)

      1,925         —     

Project assets (Note 2(k))

      10,853         —     
  

 

 

     

 

 

  

Total

      56,181         (2,043 )