Inventories

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

4.  Inventories

Inventories consist of the following:

In thousands	2015		2014
Raw materials	$	1,378	$	1,192
Work-in-progress		409		399
Finished goods		89		220
Total Inventory	$	1,876	$	1,811