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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2018
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,  
    2018     2017  
             
Prepaid inventory   $ 39,260     $ 27,715  
Prepaid insurance     4,615       7,453  
Prepaid other current assets     14,645       216,419  
    $ 58,520     $ 251,587