Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses consist of the following:

	(in thousands)
	June 30, 2014		December 31, 2013
Compensation	$	1,928	$	378
Professional fees	172		270
Other expenses	536		529
Accrued Alferon production costs	23		51
	$	2,659	$	1,228