Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30, 2014		December 31, 2013
In thousands
Raw materials	$	1,300	$	1,789
Work-in-progress		465		398
Finished goods		576		336
Inventories	$	2,341	$	2,523