Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2018

Accrued Expenses [Abstract]

Summary of accrued expenses

	September 30, 2018		December 31, 2017
Clinical trials	$	1,863,103	$	1,011,666
Other		121,304		131,640
Total	$	1,984,407	$	1,143,306