Accrued Expenses

6 Months Ended

Jun. 30, 2016

Text Block [Abstract]

Accrued Expenses

4. Accrued Expenses

Accrued expenses consist of the following:

	June 30, 2016		December 31, 2015
	(in thousands)
Development costs	$	9,567	$	6,466
Employee-related expenses		2,073		2,718
Professional services		738		935
Other accrued expenses		4		29
	$	12,382	$	10,148