CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Net sales	$ 1,177,288	$ 3,990,211
Cost of sales	893,594	2,128,580
Gross margin	283,694	1,861,631
Operating expenses:
Selling, general and administrative	653,888	798,822
Engineering, research and development	578,604	849,038
Total operating expenses	1,232,492	1,647,860
Income (loss) from operations	(948,798)	213,771
Other income (expense):
Amortization of debt discount	(13,392)	(13,395)
Amortization of debt expense	(27,080)	(27,080)
Change in fair value of common stock warrants	249,394	(168,586)
Proceeds from life insurance policy		300,029
Interest income		93
Interest expense	(92,468)	(102,694)
Total other income (expense)	116,454	(11,633)
Income (loss) before income taxes	(832,344)	202,138
Income tax provision (benefit)	(163,544)	282,933
Net loss	$ (668,800)	$ (80,795)
Net loss per share:
Basic loss per common share (in Dollars per share)	$ (0.25)	$ (0.03)
Diluted loss per common share (in Dollars per share)	$ (0.25)	$ (0.03)
Weighted average shares outstanding:
Basic (in Shares)	2,698,984	2,647,138
Diluted (in Shares)	2,698,984	2,647,138