Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories net of reserves are summarized as follows:

	March 31, 2014		December 31, 2013
Raw Materials	$	4,683	$	5,351
Work in process		3,309		2,815
Finished Goods		5,264		5,394
		13,256		13,560
Less current inventory		(8,688)		(8,975)
		4,568		4,585
Less reserve for slow moving and obsolete inventory		(2,549)		(2,470)
	$	2,019	$	2,115