REVOLVING LINES OF CREDIT	6 Months Ended
Jul. 31, 2017
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	Note 8. Revolving Lines of Credit Effective April 1, 2016, One Earth and NuGen each entered into $10.0 million revolving loan facilities that matured April 1, 2017. During the second quarter of fiscal year 2017, One Earth and NuGen renewed the revolving loan facilities, which now mature June 1, 2018. Neither One Earth nor NuGen had outstanding borrowings on the revolving loans during the six months ended July 31, 2017 and 2016.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-URI http://asc.fasb.org/topic&trid=2208564

Name:	us-gaap_DebtDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration