Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30 2015		December 31 2014
In thousands
Raw materials	$	2,831	$	2,408
Work-in-progress		434		399
Finished goods		387		220
Gross Inventory		3,652		3,027
Less Reserve		1,287		1,216
Net Inventory	$	2,365	$	1,811