Inventories (Tables)

9 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30 2015		December 31 2014
In thousands
Raw materials	$	2,626	$	2,408
Work-in-progress		600		399
Finished goods		186		220
Gross Inventory		3,412		3,027
Less Reserve		1,256		1,216
Net Inventory	$	2,156	$	1,811