3. Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventories Tables

Inventories consist

Inventories consist of :	March 31, 2014		December 31, 2013
Materials	$	347,876	$	440,723
Work in process		16,372		––
Finished goods (including $231,700 and $304,500 held by customers at March 31, 2014 and December 31, 2013, respectively)		1,503,690		1,273,358
Total	$	1,867,938	$	1,714,081