Commitments and Contingencies (Details) (One Earth Energy And Nu Gen Energy [Member])	3 Months Ended
Apr. 30, 2015 lb bu gal T
One Earth Energy And Nu Gen Energy [Member]
Commitments and Contingencies (Details) [Line Items]
Quantity of Bushels under Forward Purchase Contract	8,600,000
Quantity of Ethanol under Sales Commitment	51,300,000
Quantity of Distillers Grains Under Sales Commitment	95,000
Quantity of Non-food Grade Corn Oil Under Sales Commitments	10,200,000
Supply Commitment Expected Period Of Delivery	They expect to deliver the ethanol, distillers grains and non-food grade corn oil through September 2015.

They expect to deliver the ethanol, distillers grains and non-food grade corn oil through September 2015.