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Commitments and Contingencies (Details) (One Earth Energy And Nu Gen Energy [Member]) | Jul. 31, 2013 T lb bu gal
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One Earth Energy And Nu Gen Energy [Member] |
Commitments and Contingencies (Details) [Line Items] |
Quantity of Bushels under Forward Purchase Contract (in US Bushels) | 11,600,000
Quantity of Ethanol under Sales Commitment (in US Gallons) | 42,900,000
Quantity of Distillers Grains Under Sales Commitment (in US Tons) | 113,000
Quantity of Non-food Grade Corn Oil Under Sales Commitments | 9,300,000

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