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Marketable Securities (Narrative) (Details) (USD $)	Sep. 30, 2012	Mar. 31, 2012
Schedule of Investments [Line Items]
Gross unrealized losses	$ (3,085)	$ (108,441)
Corporate Bonds [Member]
Schedule of Investments [Line Items]
Gross unrealized losses		$ (76,434)

- Definition

This item represents the excess of amortized cost basis over fair value of securities in a loss position and which are categorized neither as held-to-maturity nor trading securities.

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