3. Inventories (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2015

Dec. 31, 2014

Inventories Tables

Inventories consist

Inventories consist of :	March 31, 2015		December 31, 2014
Materials	$	510,946	$	332,804
Work in process		207,515		––
Finished goods (including $113,500 and $85,600 held by customers at March 31, 2015 and December 31, 2014, respectively)		911,556		1,391,703
Total	$	1,630,017	$	1,724,507

	2013		2014
Materials	$	440,723	$	332,804
Finished goods (including $304,500 and $85,600 held by customers at December 31, 2013 and 2014, respectively)		1,273,358		1,391,703
Total	$	1,714,081	$	1,724,507