COMMITMENTS	12 Months Ended
Jan. 31, 2018
Disclosure Text Block Supplement [Abstract]
Commitments Disclosure [Text Block]	13. COMMITMENTS One Earth and NuGen have combined forward purchase contracts for approximately 14.1 million bushels of corn, the principal raw material for their ethanol plants. They expect to take delivery of a majority of the corn through May 2018. One Earth and NuGen have combined sales commitments for approximately 29.4 million gallons of ethanol, 118,000 tons of distillers grains and 12.8 million pounds of non-food grade corn oil. They expect to deliver the ethanol, distillers grains and corn oil through March 2018. One Earth has entered into an agreement with an unrelated party for the use of a portion of the party’s natural gas pipeline. The term of the agreement is 10 years, and the amount is $4,380,000, which is paid over 120 equal monthly installments of $36,500. Payments began in February 2009. An additional lease for a term of 15 years will be effective February 1, 2019 and will require monthly payments of $29,250. One Earth paid approximately $438,000 pursuant to the lease in each of fiscal years 2017, 2016 and 2015. One Earth and NuGen have entered into agreements with unrelated parties for the lease of railcars used to ship ethanol and distillers grains. These leases expire on various dates through February 1, 2024. One Earth and NuGen pay a monthly lease amount per railcar. One Earth and NuGen incurred combined expenses of approximately $8,600,000, $8,515,000 and $7,221,000 pursuant to the leases in fiscal years 2017, 2016 and 2015, respectively. One Earth and NuGen each have a contract with an unrelated party (“Distillers Grains Marketer”) for distillers grains marketing services. Under the terms of the contracts, the Distillers Grains Marketers will purchase all of One Earth’s and NuGen’s distillers grains production during the term of the contracts. The contracts call for One Earth and NuGen to pay a fee per ton of distillers grains for the Distillers Grains Marketers’ services. The terms of the agreements are for one year and shall renew automatically for additional one year terms, unless either party sends notice to the other party of its intent to terminate the agreement at least 90 days prior to the expiration of the then current term of the agreement. One Earth and NuGen incurred fees of approximately $1,354,000, $1,194,000 and $1,169,000 in fiscal years 2017, 2016 and 2015, respectively, for these marketing services. One Earth has a grain origination agreement with a minority equity owner, under which it purchased 100% of its grain during fiscal years 2017, 2016 and 2015. One Earth pays a certain amount per bushel for procurement fees. The agreement expires October 31, 2018, and renews automatically for additional one year terms, unless either party sends notice to the other party of its intent to terminate the agreement at least 180 days prior to the expiration of the then current term of the agreement. The refined coal entity has various agreements (site license, operating agreements, etc.) containing payment terms based upon production of refined coal under which the Company is required to pay various fees. These fees totaled approximately $5.5 million in fiscal year 2017.

COMMITMENTS

12 Months Ended

Jan. 31, 2018

Disclosure Text Block Supplement [Abstract]

13. COMMITMENTS

One Earth and NuGen have combined forward purchase contracts for approximately 14.1 million bushels of corn, the principal raw material for their ethanol plants. They expect to take delivery of a majority of the corn through May 2018.

One Earth and NuGen have combined sales commitments for approximately 29.4 million gallons of ethanol, 118,000 tons of distillers grains and 12.8 million pounds of non-food grade corn oil. They expect to deliver the ethanol, distillers grains and corn oil through March 2018.

One Earth has entered into an agreement with an unrelated party for the use of a portion of the party’s natural gas pipeline. The term of the agreement is 10 years, and the amount is $4,380,000, which is paid over 120 equal monthly installments of $36,500. Payments began in February 2009. An additional lease for a term of 15 years will be effective February 1, 2019 and will require monthly payments of $29,250. One Earth paid approximately $438,000 pursuant to the lease in each of fiscal years 2017, 2016 and 2015.

One Earth and NuGen have entered into agreements with unrelated parties for the lease of railcars used to ship ethanol and distillers grains. These leases expire on various dates through February 1, 2024. One Earth and NuGen pay a monthly lease amount per railcar. One Earth and NuGen incurred combined expenses of approximately $8,600,000, $8,515,000 and $7,221,000 pursuant to the leases in fiscal years 2017, 2016 and 2015, respectively.

One Earth and NuGen each have a contract with an unrelated party (“Distillers Grains Marketer”) for distillers grains marketing services. Under the terms of the contracts, the Distillers Grains Marketers will purchase all of One Earth’s and NuGen’s distillers grains production during the term of the contracts. The contracts call for One Earth and NuGen to pay a fee per ton of distillers grains for the Distillers Grains Marketers’ services. The terms of the agreements are for one year and shall renew automatically for additional one year terms, unless either party sends notice to the other party of its intent to terminate the agreement at least 90 days prior to the expiration of the then current term of the agreement. One Earth and NuGen incurred fees of approximately $1,354,000, $1,194,000 and $1,169,000 in fiscal years 2017, 2016 and 2015, respectively, for these marketing services.

One Earth has a grain origination agreement with a minority equity owner, under which it purchased 100% of its grain during fiscal years 2017, 2016 and 2015. One Earth pays a certain amount per bushel for procurement fees. The agreement expires October 31, 2018, and renews automatically for additional one year terms, unless either party sends notice to the other party of its intent to terminate the agreement at least 180 days prior to the expiration of the then current term of the agreement.

The refined coal entity has various agreements (site license, operating agreements, etc.) containing payment terms based upon production of refined coal under which the Company is required to pay various fees. These fees totaled approximately $5.5 million in fiscal year 2017.