3. Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventories Tables

Inventories consist

Inventories consist of :	March 31, 2013		December 31, 2012
Materials	$	554,732	$	720,113
Work in process		87,144		––
Finished goods (including $362,500 and $489,400 held by customers at March 31, 2013 and December 31, 2012, respectively)		2,029,506		1,910,273
Total	$	2,671,382	$	2,630,386