Commitments and Contingencies	6 Months Ended
Jul. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Text Block]	Note 13. Commitments and Contingencies The Company is involved in various legal actions arising in the normal course of business. After taking into consideration legal counsels’ evaluations of such actions, management is of the opinion that their outcome will not have a material adverse effect on the Company’s Consolidated Condensed Financial Statements. One Earth and NuGen have combined forward purchase contracts for approximately 5.6 million bushels of corn, the principal raw material for their ethanol plants. They expect to take delivery of the grain through October 2019. One Earth and NuGen have combined forward purchase contracts for approximately 1,182,000 MMBtu (million british thermal units) of natural gas. They expect to take delivery of the natural gas through December 2019. One Earth and NuGen have combined sales commitments for approximately 35.2 million gallons of ethanol, approximately 30,100 tons of distillers grains and approximately 14.9 million pounds of non-food grade corn oil. They expect to deliver a majority of the ethanol, distillers grains and non-food grade corn oil through September 2019. 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 $1.2 million and approximately $3.4 million in the second quarter of fiscal year 2019 and 2018, respectively. Such fees totaled approximately $2.8 million and approximately $5.1 million for the six months ended July 31, 2019 and 2018, respectively.

Commitments and Contingencies

6 Months Ended

Jul. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

Note 13. Commitments and Contingencies

The Company is involved in various legal actions arising in the normal course of business. After taking into consideration legal counsels’ evaluations of such actions, management is of the opinion that their outcome will not have a material adverse effect on the Company’s Consolidated Condensed Financial Statements.

One Earth and NuGen have combined forward purchase contracts for approximately 5.6 million bushels of corn, the principal raw material for their ethanol plants. They expect to take delivery of the grain through October 2019.

One Earth and NuGen have combined forward purchase contracts for approximately 1,182,000 MMBtu (million british thermal units) of natural gas. They expect to take delivery of the natural gas through December 2019.

One Earth and NuGen have combined sales commitments for approximately 35.2 million gallons of ethanol, approximately 30,100 tons of distillers grains and approximately 14.9 million pounds of non-food grade corn oil. They expect to deliver a majority of the ethanol, distillers grains and non-food grade corn oil through September 2019.

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 $1.2 million and approximately $3.4 million in the second quarter of fiscal year 2019 and 2018, respectively. Such fees totaled approximately $2.8 million and approximately $5.1 million for the six months ended July 31, 2019 and 2018, respectively.