Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2020

Payables and Accruals [Abstract]

Schedule of accrued expenses

	March 31, 2020		December 31, 2019
Clinical trial expenses	$	3,197,269	$	3,020,030
Other		129,087		137,356
Total	$	3,326,356	$	3,157,386