Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2016

Component of Accrued Expenses

Accrued expenses consist of the following:

	December 31,
(in thousands)	2016		2015
Clinical consulting services	$	2,342	$	2,331
Preclinical services		2,693		3,976
Employee compensation		1,446		1,453
Professional services		488		317
Payroll taxes and benefits		646		289
Manufacturing services		1,116		253
Accrued vacation		294		221
Other consulting services		28		66
Accrued rent		56		—
Total	$	9,109	$	8,906