CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales	$ 2,394,950	$ 3,674,354	$ 3,572,238	$ 7,664,565
Cost of sales	1,792,527	2,191,127	2,686,121	4,319,707
Gross margin	602,423	1,483,227	886,117	3,344,858
Operating expenses:
Selling, general and administrative	686,346	667,874	1,340,234	1,466,696
Engineering, research and development	548,800	677,933	1,127,404	1,526,971
Total operating expenses	1,235,146	1,345,807	2,467,638	2,993,667
Income (loss) from operations	(632,723)	137,420	(1,581,521)	351,191
Other income (expense):
Amortization of debt discount	(31,009)	(13,396)	(44,401)	(26,791)
Amortization of debt expense	(56,711)	(27,080)	(83,791)	(54,160)
Financing Costs	(26,477)	0	(26,477)	0
Change in fair value of common stock Warrants	(337)	104,891	249,057	(63,695)
Proceeds from life insurance policy	0	0	0	300,029
Interest income	13	101	13	194
Interest expense	(131,032)	(96,416)	(223,500)	(199,110)
Total other income (expense)	(245,553)	(31,900)	(129,099)	(43,533)
Income (loss) before income taxes	(878,276)	105,520	(1,710,620)	307,658
Income tax expense (benefit)	(448,571)	2,204	(612,115)	285,137
Net income (loss)	$ (429,705)	$ 103,316	$ (1,098,505)	$ 22,521
Basic income (loss) per common share (in Dollars per share)	$ (0.16)	$ 0.04	$ (0.41)	$ 0.01
Diluted income (loss) per common share (in Dollars per share)	$ (0.16)	$ 0.04	$ (0.41)	$ 0.01
Weighted average shares outstanding:
Basic (in Shares)	2,717,585	2,650,063	2,708,335	2,648,608
Diluted (in Shares)	2,717,585	2,736,993	2,708,335	2,733,850