Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventories [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:	(in thousands)
	September 30,	December 31,
	2012	2011
Inventory work-in-process, January 1	$897	$   787
Production	680	302
Spoilage	(778)	(192)
Inventory work-in-process, end of period	$799	$   897