Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories net of reserves are summarized as follows:

	March 31,		December 31,
	2015		2014
Raw Materials	$	5,341	$	5,151
Work in process		2,675		3,045
Finished Goods		6,109		5,487
		14,125		13,683
Less current inventory		(9,310)		(9,257)
		4,815		4,426
Less reserve for slow moving and obsolete inventory		(2,820)		(2,798)
	$	1,995	$	1,628