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Related Party Transactions (Details Textual) (USD $)	3 Months Ended
Related Party Transactions (Details Textual) (USD $)	Jul. 31, 2013	Jul. 31, 2012
Related Party Transaction, Revenues from Transactions with Related Party	$ 0	$ 0
Chief Executive Officer [Member]
Related Party Transaction, Amounts of Transaction	0	30,000
Board of Directors Chairman [Member]
Related Party Transaction, Amounts of Transaction	37,500	48,000
Substantial Stockholders [Member]
Related Party Transaction, Amounts of Transaction	$ 0	$ 0

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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