Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:

	December 31,
	2014		2013
	(in thousands)
Finished goods	$	-	$	7
Raw materials		207		31
Total	$	207	$	38