Annual report pursuant to Section 13 and 15(d)

D. ACCOUNTS RECEIVABLE

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D. ACCOUNTS RECEIVABLE
 12 Months Ended
Dec. 31, 2015
Receivables [Abstract]  
ACCOUNTS RECEIVABLE

Components of accounts receivable as of December 31, 2015 and 2014 are as follows:

 

    2015     2014  
Accounts receivable   $ 2,286,690     $ 1,497,295  
Allowance for doubtful accounts     (23,343 )     (36,873 )
Accounts receivable, net   $ 2,263,347     $ 1,460,422