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Income Taxes Narrative (Details) (USD $)
12 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Income Tax Disclosure [Abstract]    
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance $ 139,662,533gfe_NetIncomeFinancialStatementBasisOfAssets $ 112,673,222gfe_NetIncomeFinancialStatementBasisOfAssets
Capitalized start-up costs 536,332gfe_CapitalizedStartUpCosts 625,720gfe_CapitalizedStartUpCosts
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate (22,178,280)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate (24,977,852)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Unrealized Gain (Loss) on Derivatives (858,238)us-gaap_UnrealizedGainLossOnDerivatives 75,113us-gaap_UnrealizedGainLossOnDerivatives
Capitalized inventory 13,911gfe_CapitalizedInventory 35,761gfe_CapitalizedInventory
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net (14,460,706)us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet (10,396,697)us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet
Net Income, Tax Basis of Assets 102,715,552gfe_NetIncomeTaxBasisOfAssets 78,035,267gfe_NetIncomeTaxBasisOfAssets
Net Income, Financial Statement Basis of Liabilities 13,692,300gfe_NetIncomeFinancialStatementBasisofLiabilities 44,305,219gfe_NetIncomeFinancialStatementBasisofLiabilities
Debt premium 0gfe_Debtpremiumacquisitionfairvalueadjustment (2,023,441)gfe_Debtpremiumacquisitionfairvalueadjustment
Net Income, Tax Basis of Liabilities $ 13,692,300gfe_NetIncomeTaxBasisofLiabilities $ 42,281,778gfe_NetIncomeTaxBasisofLiabilities