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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2017
Prepaid Expenses And Other Current Assets  
Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

 

    December 31,  
    2017     2016  
             
Prepaid inventory   $ 27,715     $ 30,076  
Prepaid insurance     7,453       6,968  
Prepaid other current assets     216,419       47,292  
    $ 251,587     $ 84,336