Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory, Net [Abstract]

Inventories

Inventories at June 30, 2013 and December 31, 2012 consisted of the following (in thousands):

			December 31,
	June 30, 2013		2012
Finished systems	$	81	$	310
Raw materials and service parts		938		698
Work in progress		-		-
		1,019		1,008
Less: Reserve for obsolete inventory		(522)		(457)
	$	497	$	551