Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2016

Payables And Accruals [Abstract]

Components of Accrued Expenses

Accrued expenses are as follows:

	June 30, 2016		December 31, 2015
	(in thousands)
Accrued clinical	$	10,692	$	4,536
Accrued bonus		1,250		2,178
Professional fees		761		647
Accrued vacation		433		310
Accrued payroll		410		518
Accrued severance		196	—
Other		2,047		1,366
Total accrued expenses	$	15,789	$	9,555