Summary of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Product warranty term, years	1 year
Shipping costs	$ 27,386	$ 40,185	$ 39,427
Stock options and warrants not included in computation of diluted earnings per share	5,000	5,000	1,000
Machinery and Equipment [Member]
Property, plant and equipment useful life	5 years
Furniture and Fixtures [Member]
Property, plant and equipment useful life	5 years
Leasehold Improvements [Member]
Property, plant and equipment useful life	5 years