Inventories

3 Months Ended

Mar. 31, 2012

Notes to Financial Statements

Inventories

(6) Inventories

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:

	March 31,		December 31,
	2012		2011
Component materials	$	77,080	$	63,179
Finished systems		2,116,086		1,705,828
Total Inventory	$	2,193,166	$	1,769,007

As of March 31, 2012 and December 31, 2011, the Company has not recorded any reserve for excess and/or obsolete inventories in arriving at estimated net realizable value of its inventory.