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ALLOWANCES FOR DOUBTFUL RECEIVABLES (Tables)
12 Months Ended
Dec. 31, 2013
ALLOWANCES FOR DOUBTFUL RECEIVABLES [Abstract]  
Schedule of Allowances for Accounts Receivable

Analysis of allowances for accounts receivable is as follows:

 

    Year ended December 31,  
    2011     2012     2013  
Beginning of the year   $ -     $ 1,202,940     $ 1,592,467  
Allowances made during the year     1,202,940       359,733       5,482,019  
Foreign exchange effect     -       29,794       86,296  
Closing balance   $ 1,202,940     $ 1,592,467     $ 7,160,782