Inventories

3 Months Ended

Mar. 31, 2013

Inventory, Net [Abstract]

Inventories

5. Inventories

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

	March 31, 2013			December 31, 2012
Finished systems	$	310		$	310
Raw materials and service parts		624			698
Work in progress		164			-
		1,098			1,008
Less: Reserve for obsolete inventory		(457	)		(457	)
	$	641		$	551

Inventories are stated at the lower of cost or market.  Cost is determined using the first-in, first-out (FIFO) method of inventory valuation.  The Company evaluated the reserve as of March 31, 2013 and December 31, 2012.