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ACCOUNTS RECEIVABLE (Tables)
 6 Months Ended
Jun. 30, 2011
Accounts Receivable, Net [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Accounts receivable comprised the following at June 30, 2011 and December 31, 2010:


 
June 30, 2011


 
December 31, 2010


Unrelated customers
$
244,995


 
$
221,463


Less: allowance for bad debts and credit notes
(16,035
)
 
(13,202
)
Related parties
1,409


 
884


Less: allowance for bad debts and credit notes
(44
)
 
(3
)
Total accounts receivable
$
230,325


 
$
209,142