Marketable Securities (Narrative) (Details) (USD $)	6 Months Ended	12 Months Ended
Sep. 30, 2014	Mar. 31, 2014
Schedule of Investments [Line Items]
Gross unrealized losses	$ 252,010	$ 251,582
Marketable Securities, Continuous Unrealized Loss Position, 12 Months or Greater, Fair Market Value	8,368,641
Marketable Securities, Continuous Unrealized Loss Position, 12 Months or Greater, Gross Unrealized Losses	79,103
Municipal Bonds [Member]
Schedule of Investments [Line Items]
Gross unrealized losses		$ 4,609

Amount of unrealized loss on securities classified as available-for-sale that have been in a loss position for twelve months or longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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- Definition

Amount of unrealized loss on securities classified as available-for-sale.

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- Definition

This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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