Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2015

Component of Accrued Expenses

Accrued expenses consist of the following:

	December 31,
(in thousands)	2015		2014
Clinical consulting services	$	2,331	$	2,802
Preclinical services		3,976		2,027
Employee compensation		1,453		768
Professional services		317		422
Payroll taxes and benefits		289		417
Manufacturing services		253		308
Accrued vacation		221		212
Other consulting services		66		226
Total	$	8,906	$	7,182