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Prepaid Expenses and Other Current Assets (Tables)
6 Months Ended
Jun. 30, 2018
Prepaid Expenses And Other Current Assets  
Schedule of Prepaid Expenses and Other Current Assets

    June 30, 2018     December 31, 2017  
             
Prepaid inventory   $ 7,790     $ 27,715  
Prepaid insurance     13,735       7,453  
Prepaid other current assets     23,396       216,419  
    $ 44,921     $ 251,587