Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

In thousands	2014		2013
Raw materials	$	1,192	$	1,789
Work-in-progress		399		398
Finished goods		220		336
Inventories	$	1,811	$	2,523