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Accounting Policies (Tables) | 9 Months Ended
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Oct. 31, 2014
Accounting Policies [Abstract] |
Schedule of Inventory, Current [Table Text Block] | The components of inventory at October 31, 2014 and January 31, 2014 are as follows (amounts in thousands):
|  | October 31, 2014 |  |  | January 31, 2014 |
Ethanol and other finished goods |  | $ | 2,059 |  |  | $ | 3,517 |
Work in process |  |  | 2,475 |  |  |  | 3,017 |
Grain and other raw materials |  |  | 6,962 |  |  |  | 12,836 |
Total |  | $ | 11,496 |  |  | $ | 19,370 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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