Inventories

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

4.  Inventories

Inventories consist of the following:

In thousands	2016		2015
Raw materials	$	1,245	$	1,378
Work-in-progress		410		409
Finished goods		238		89
Total Inventory	$	1,893	$	1,876