Inventories consist of component materials and finished systems. Inventories are stated at the lower of cost (first-in, first-out) or market, not in excess of net realizable value. Component material consists of certain key replacement parts for the finished systems. Inventories are as follows:

	September 30,		December 31,
	2011		2010

Component materials	$	53,853	$	114,893
Finished systems		1,360,100		1,294,766

Total Inventory	$	1,413,953	$	1,409,659

As of September 30, 2011 and December 31, 2010, the Company has not recorded any reserve for excess and/or obsolete inventories in arriving at estimated net realizable value of its inventory.