Note 10 - Subsequent Events	9 Months Ended
Jan. 31, 2014
Subsequent Events [Abstract]
Subsequent Events [Text Block]	10. Subsequent Events Events that have occurred subsequent to January 31, 2014 have been evaluated for disclosure through the filing date of this Quarterly Report on Form 10-Q with the SEC.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

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