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Income Taxes (Details)
9 Months Ended
Nov. 30, 2014
Income Tax Disclosure [Abstract]  
Percentage of net deferred tax assets realized as valuation allowance (percent) 100.00%ck0001405621_ValuationAllowancePercentageOfNetDeferredTaxAssetsRealized
Federal statutory income tax rate (percent) 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate