Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid professional fees $ 397,125 $ 607,833
Prepaid research and development service fees 400,000 300,000
Prepaid insurance expense 37,336 72,352
Prepaid listing fee 56,250
Prepaid dues and subscriptions 18,750 70,000
Other 40,212 96,290
Total prepaid expenses and other $ 949,673 $ 1,146,475