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Income Taxes Narrative (Details) (USD $)
Feb. 28, 2015
Feb. 28, 2014
Income Tax Disclosure [Abstract]    
Percentage of net deferred tax assets realized as valuation allowance 100.00%ck0001405621_ValuationAllowancePercentageOfNetDeferredTaxAssetsRealized 100.00%ck0001405621_ValuationAllowancePercentageOfNetDeferredTaxAssetsRealized
Tax credit carryforwards $ 436,360us-gaap_DeferredTaxAssetsTaxCreditCarryforwards $ 0us-gaap_DeferredTaxAssetsTaxCreditCarryforwards