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Income Taxes
 3 Months Ended
Aug. 31, 2012
Income Taxes [Abstract]  
Income Taxes

NOTE 5 Income Taxes

The Corporation’s gross deferred tax assets of approximately $39 million consist of approximately $25 million in federal net operating loss and tax credit carryforwards, $7 million in state net operating loss carryforwards and $7 million resulting from temporary differences between financial and tax reporting. The federal net operating loss and tax credit carryforwards have a life expectancy of twenty years. The state net operating loss carryforwards have a life expectancy, depending on the state where a loss was incurred, between five and twenty years. If the Corporation, after considering future negative and positive evidence regarding the realization of deferred tax assets, determines that a lesser valuation allowance is warranted, it would record a reduction to income tax expense and the valuation allowance in the period of determination.