Inventory (Tables)

12 Months Ended

Dec. 31, 2012

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventory consisted of the following as of December 31 (in thousands):

	2012		2011
Finished goods	$	1,784	$	1,819
Raw materials	439		567
	$	2,223	$	2,386