Inventories (Tables)

9 Months Ended

Sep. 30, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30 2016		December 31 2015
In thousands
Raw materials	$	1,718	$	1,378
Work-in-progress		381		409
Finished goods		324		89
Total inventories	$	2,423	$	1,876