Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2012

Accrued Expenses [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	(in thousands)
	September 30,	December 31,
	2012	2011
Compensation	$   256	$   821
Professional fees	233	215
Other expenses	609	495
Accrued Alferon production cost	425	0
Due for returned product	113	113
	$ 1,636	$ 1,644