Annual report pursuant to Section 13 and 15(d)

D. ACCOUNTS RECEIVABLE (Tables)

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D. ACCOUNTS RECEIVABLE (Tables)
12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Accounts Receivable
    2014     2013  
Accounts receivable   $ 1,497,295       1,816,722  
Allowance for doubtful accounts     (36,873 )     (156,966 )
Accounts receivable, net   $ 1,460,422     $ 1,659,756