Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2017

Accrued Expenses [Abstract]

Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities consist of the following:

	December 31,
	2017		2016
Accrued research and development costs	$	2,857,025	$	654,795
Accrued professional fees		267,646		366,394
Accrued compensation		1,886,638		1,866,255
Accrued other		385,896		319,434
Deferred rent		25,000		6,837
Total	$	5,422,205	$	3,213,715