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Income Taxes
3 Months Ended
Aug. 31, 2015
Income Tax Disclosure [Abstract]  
Income Taxes
NOTE 7 Income Taxes

At August 31, 2015, the Corporation’s gross deferred tax assets of approximately $50 million consist of approximately $35 million in federal net operating loss and tax credit carryforwards, $8 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 between thirteen and twenty years. The state net operating loss carryforwards have a life expectancy, depending on the state where a loss was incurred, between one and twenty years. The Corporation has recorded a full valuation allowance against this asset. 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.