Inventories

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

Note 4 – Inventories

Inventories consist of the following:

	March 31 2018		December 31 2017
In thousands
Raw materials	$	1,004	$	1,204
Work-in-progress		652		704
Finished goods		218		256
	$	1,874	$	2,164