Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2015

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses consist of the following:

	(in thousands)
	March 31, 2015		December 31, 2014
Compensation	$	909	$	1,806
Professional fees	305		404
Other expenses	275		—
Accrued Alferon production costs	—		123
	$	1,489	$	2,333