CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Net sales	$ 2,350,020	$ 3,673,235	$ 5,922,258	$ 11,337,800
Cost of sales	1,896,652	2,227,856	4,582,773	6,547,563
Gross margin	453,368	1,445,379	1,339,485	4,790,237
Operating expenses:
Selling, general and administrative	587,146	724,636	1,927,380	2,191,332
Engineering, research and development	481,055	633,136	1,608,459	2,160,107
Total operating expenses	1,068,201	1,357,772	3,535,839	4,351,439
Income (loss) from operations	(614,833)	87,607	(2,196,354)	438,798
Other income (expense):
Amortization of debt discount	(37,948)	(13,386)	(82,349)	(40,177)
Amortization of debt expense	(68,384)	(27,081)	(152,175)	(81,241)
Financing Costs	(21,441)	0	(47,918)	0
Change in fair value of common stock warrants	19,710	130,433	268,767	66,738
Gain on sale of capital asset	0	500	0	500
Proceeds from life insurance policy	0	0	0	300,029
Interest income	420	224	433	418
Interest expense	(126,489)	(103,155)	(349,989)	(302,265)
Total other income (expense)	(234,132)	(12,465)	(363,231)	(55,998)
Income (loss) before income taxes	(848,965)	75,142	(2,559,585)	382,800
Income tax expense (benefit)	(303,788)	(22,289)	(915,903)	262,848
Net income (loss)	$ (545,177)	$ 97,431	$ (1,643,682)	$ 119,952
Basic income (loss) per common share (in Dollars per share)	$ (0.19)	$ 0.04	$ (0.59)	$ 0.05
Diluted income (loss) per common share (in Dollars per share)	$ (0.19)	$ 0.04	$ (0.59)	$ 0.04
Weighted average shares outstanding:
Basic (in Shares)	2,912,516	2,652,864	2,776,643	2,650,032
Diluted (in Shares)	2,912,516	2,706,078	2,776,643	2,718,720