Inventories (Tables)

3 Months Ended

Mar. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories net of reserves are summarized as follows:

	March 31,		December 31,
	2016		2015
Raw Materials	$	4,469	$	4,820
Work in process		1,963		1,732
Finished Goods		4,788		4,913
		11,220		11,465
Less current inventory		(5,574)		(5,595)
		5,646		5,870
Less reserve for slow moving and excess inventory		(4,338)		(4,426)
	$	1,308	$	1,444