Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	March 31		December 31
In thousands	2015		2014
Raw materials	$	1,270	$	1,192
Work-in-progress		459		399
Finished goods		455		220
Inventories	$	2,184	$	1,811