Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30 2016		December 31 2015
In thousands
Raw materials	$	1,588	$	1,378
Work-in-progress		419		409
Finished goods		332		89
	$	2,339	$	1,876