Quarterly report pursuant to Section 13 or 15(d)

D. ACCOUNTS RECEIVABLE (Tables)

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D. ACCOUNTS RECEIVABLE (Tables)
9 Months Ended
Sep. 30, 2013
Accounts Receivable Additional Disclosures [Abstract]  
Accounts Receivable

    September 30,
2013
    December 31,
2012
 
Accounts receivable   $ 1,805,086     $ 3,096,914  
Allowance for doubtful accounts     (36,581 )     (70,807 )
Accounts receivable, net   $ 1,768,505     $ 3,026,107