Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30,  2014		December 31,  2013
In thousands
Raw materials	$	1,577	$	1,789
Work-in-progress		435		398
Finished goods		448		336
Inventories	$	2,460	$	2,523