Subsequent Event	3 Months Ended
Apr. 30, 2022
Subsequent Events [Abstract]
Schedule of Subsequent Events [Table Text Block]	Note 15. Subsequent Event On May 23, 2022, the Company’s consolidated plants received $7.8 million as part of a COVID relief bill passed by Congress in December 2020. The bill specifically included biofuels producers as eligible for aid, and in June of 2021, USDA announced a $700.0 million Biofuel Producer Program to distribute these funds to impacted producers of ethanol, biodiesel and other renewable fuels. Applications were due in February 2022. The USDA communicated its approval and the amount awarded subsequent to April 30, 2022.

Tabular disclosure of significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, losses resulting from fire or flood, losses on receivables, significant realized and unrealized gains and losses that result from changes in quoted market prices of securities, declines in market prices of inventory, changes in authorized or issued debt (SEC), significant foreign exchange rate changes, substantial loans to insiders or affiliates, significant long-term investments, and substantial dividends not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_ScheduleOfSubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration