Accrued Expenses

3 Months Ended

Mar. 31, 2014

Accrued Liabilities [Abstract]

Accrued Expenses

Accrued Expenses

Accrued expenses consist of the following:

	(in thousands)
	March 31, 2014		December 31, 2013
Compensation	$	1,002	$	378
Professional fees	220		270
Other expenses	481		529
Accrued Alferon production costs	37		51
	$	1,740	$	1,228