Accrued expenses (Tables)

6 Months Ended

Jun. 30, 2017

Accrued expenses

Schedule of accrued expenses

Accrued expenses consist of the following (in thousands):

	June 30, 2017		December 31, 2016
Contract research organization costs	$	2,493	$	3,258
Compensation and related benefits		1,102		2,505
Professional fees		346		403
Deferred rent		182		175
Consulting fees		81		527
Other		37		28
	$	4,241	$	6,896