Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

The components of inventories follow:

(in thousands)	September 30, 2012		December 31, 2011
Work-in-process and raw materials	$	315	$	488
Finished goods		1,068		1,500
Total inventories	$	1,383	$	1,988