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Taxes	3 Months Ended
Taxes	Jul. 31, 2012
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	(9) Taxes The liabilities in the accompanying financial statements related to unrecognized tax benefits that would have an impact on the effective tax rate if these tax benefits were recognized were $66,000 at July 31, 2012 and April 30, 2012. As a result of either the expiration of statutes of limitations or the recognition and measurement considerations, the Company believes that it is reasonably possible that the amount of unrecognized tax benefits will decrease within the next twelve months.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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+ Details