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Accounts Payable and Accrued Expenses (Tables)
6 Months Ended
Jun. 30, 2019
Payables and Accruals [Abstract]  
Schedule of accounts payable and accrued expenses

   As of
June 30, 2019
   As of
December 31, 2018
 
Accounts payable – trade  $436,017   $531,048 
Accounts payable – capital   3,209    72,695 
Accrued payroll   230,626    358,451 
Accrued professional fees   55,031    93,050 
Accrued other   136,916    165,416 
Total  $861,799   $1,220,660