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Accounts Receivable
 6 Months Ended
Jun. 30, 2016
Accounts Receivable[Abstract]  
ACCOUNTS RECEIVABLE
5. ACCOUNTS RECEIVABLE

 

Accounts receivable consisted of the following:

 

   

As of
June 30,
2016

    

As of
December 31, 2015

    

Increase

(Decrease)

  
Trade accounts receivable, gross   $ 966,934     $ 736,195     $ 230,739  
Accumulated allowance for bad debt     (19,641 )     (18,092 )     (1,549 )
Trade accounts receivable, net   $ 947,293     $ 718,103     $ 229,190