CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Net sales	$ 3,990,211	$ 2,455,280
Cost of sales	2,128,580	1,372,900
Gross margin	1,861,631	1,082,380
Operating expenses:
Selling, general and administrative	798,822	758,044
Engineering, research and development	849,038	757,346
Total operating expenses	1,647,860	1,515,390
Income (loss) from operations	213,771	(433,010)
Other income (expense):
Amortization of debt discount	(13,395)	(5,769)
Amortization of debt expense	(27,080)
Change in fair value of common stock warrants	(168,586)
Gain on sale of capital asset		3,600
Proceeds from life insurance policy	300,029
Interest income	93	47
Interest expense	(102,694)	(23,505)
Income (loss) before income taxes	202,138	(458,637)
Income tax provision (benefit)	26,289	(183,225)
Net Income (loss)	$ 175,849	$ (275,412)
Net Income (loss) per share:
Basic income (loss) per common share (in Dollars per share)	$ 0.07	$ (0.11)
Diluted income (loss) per common share (in Dollars per share)	$ 0.06	$ (0.11)
Weighted average shares outstanding:
Basic (in Shares)	2,647,138	2,615,625
Diluted (in Shares)	2,731,749	2,615,625