Business Acquisition (Details 2) (USD $) In Thousands, unless otherwise specified	May 01, 2012 Amaizing Energy Denison LLC	Jan. 31, 2012 New Eezy Gro Inc
Business Acquisition, Purchase Price Allocation [Abstract]
Grain elevator	$ 14,285	$ 5,106
Inventory	10,087
Intangible assets	2,373	9,600
Other current assets	962
Goodwill		6,681
Property, plant and equipment	49,693	3,586
Current liabilities		(3,784)
Deferred tax liability, net		(4,412)
Total purchase price	$ 77,400	$ 16,777

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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- Definition

The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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The amount of acquisition cost of a business combination allocated to current assets.

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The amount of acquisition cost of a business combination allocated to inventory, including finished goods, work-in-process, and raw materials.

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The amount of acquisition cost of a business combination allocated to current liabilities of the acquired entity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Name Emerging Issues Task Force (EITF)

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Amount of acquisition cost of a business combination allocated to noncurrent deferred tax assets net of valuation allowance and noncurrent deferred tax liabilities.

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of acquisition cost of a business combination allocated to other noncurrent assets not separately disclosed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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