Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2018

Accrued Expenses [Abstract]

Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities consist of the following:

	As of March 31, 2018		As of December 31, 2017
Accrued research and development costs (1)	$	7,729,749	$	2,857,025
Accrued professional fees		245,773		267,646
Accrued compensation		102,715		1,886,638
Accrued other		367,336		385,896
Deferred rent		27,308		25,000
Total	$	8,472,881	$	5,422,205

(1) Balance as of March 31, 2018 includes estimated close down NEWTON 2 trial costs of $2.9 million and $2.0 million for CMO milestone payments.