CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Net sales	$ 5,030,097	$ 4,089,029	$ 11,746,847	$ 11,323,585
Cost of sales	3,484,310	2,693,342	8,211,499	7,465,991
Gross margin	1,545,787	1,395,687	3,535,348	3,857,594
Operating expenses:
Selling, general and administrative	825,261	697,919	2,364,488	2,022,579
Engineering, research and development	494,721	449,477	1,476,343	1,378,426
Total operating expenses	1,319,982	1,147,396	3,840,831	3,401,005
Income (loss) from operations	225,805	248,291	(305,483)	456,589
Other income (expense):
Amortization of debt discount	(14,373)	(27,120)	(75,308)	(75,707)
Loss on extinguishment of debt	(188,102)	0	(188,102)	(26,600)
Amortization of deferred financing costs	(13,648)	(27,827)	(67,808)	(81,987)
Change in fair value of common stock warrants	37,330	(229,726)	(68,750)	(272,499)
Interest income	0	129	0	163
Interest expense	(39,137)	(50,828)	(159,004)	(252,295)
Total other income (expense)	(217,930)	(335,372)	(558,972)	(708,925)
Income (loss) before income taxes	7,875	(87,081)	(864,455)	(252,336)
Income tax expense (benefit)	28,819	58,852	(211,311)	51,843
Net loss	$ (20,944)	$ (145,933)	$ (653,144)	$ (304,179)
Basic loss per common share (in Dollars per share)	$ (0.01)	$ (0.04)	$ (0.20)	$ (0.10)
Diluted loss per common share (in Dollars per share)	$ (0.01)	$ (0.04)	$ (0.20)	$ (0.10)
Weighted average shares outstanding:
Basic (in Shares)	3,255,028	3,247,387	3,253,045	3,189,123
Diluted (in Shares)	3,255,028	3,247,387	3,253,045	3,189,123