Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2017

Accrued Liabilities, Current [Abstract]

Schedule of Accrued Expenses and other payables

Accrued expenses consist of the following at:

	December 31,
	2017		2016
Accrued clinical trial expenses	$	1,504,240	$	580,218
Compensation and related benefits		542,434		642,532
Patent fees		40,000		40,000
Deferred rent		27,457		42,423
Other expenses		162,300		—
	$	2,276,431	$	1,305,173