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Accounts Receivable (Tables)
 3 Months Ended
Mar. 31, 2018
Accounts Receivable Net Current [Abstract]  
Schedule of Accounts Receivable, Net

Accounts receivable, net consists of the following:

 

 

 

March 31,

 

 

December 31,

 

 

 

2018

 

 

2017

 

Accounts receivable

 

$

5,306,779

 

 

$

5,194,831

 

Less:  allowance for doubtful accounts

 

 

(93,228

)

 

 

(2,101

)

 

 

$

5,213,551

 

 

$

5,192,730