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Trade Accounts and Bills Receivable, net (Tables)
9 Months Ended
Sep. 30, 2017
SCHEDULE OF TRADE ACCOUNTS RECEIVABLE [Table Text Block]
 

 

  December 31,     September 30,  
 

 

  2016     2017  
 

Trade accounts receivable

$ 5,169,593   $ 19,723,861  
 

Less: Allowance for doubtful accounts

  (2,761,144 )   (3,250,856 )
 

 

  2,408,449     16,473,005  
 

Bills receivable (Note 1)

  59,938     14,104,194  
 

 

$ 2,468,387   $ 30,577,199  
SCHEDULE OF ANALYSIS OF THE ALLOWANCE FOR DOUBTFUL ACCOUNTS [Table Text Block]
 

 

  September 30,     September 30,  
 

 

  2016     2017  
 

Balance at January 1

$ 165,441   $ 2,761,144  
 

Provision for the period

  2,786,928     442,663  
 

Reversal by cash for the period

  (54,118 )   (81,446 )
 

Charged to consolidated statements of operations and comprehensive loss

  2,732,810     361,217  
 

Foreign exchange adjustment

  (60,274 )   128,495  
 

Balance at September 30

$ 2,837,977   $ 3,250,856