Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2012

Accrued Expenses [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	(in thousands)
	June 30,	December 31,
	2012	2011
Compensation	$   362	$   821
Professional fees	170	215
Other expenses	523	495
Due for returned product	113	113
	$ 1,168	$ 1,644