COMMITMENTS (Details) lb in Millions, gal in Millions, bu in Millions	12 Months Ended
	Jan. 31, 2023 USD ($) MMBTU T lb gal bu	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
COMMITMENTS (Details) [Line Items]
Forward Purchase Contracts, Quantity (in US Bushels) | bu	18.0
Quantity Of Natural Gas Under Sales Commitment (in Millions of British Thermal Units) | MMBTU	2.7
Payments to Acquire Projects	$ 29,300,000
Refined Coal [Member]
COMMITMENTS (Details) [Line Items]
Fees Incurred By Subsidiary		$ 5,404,000	$ 2,500,000
One Earth Energy And Nu Gen Energy [Member]
COMMITMENTS (Details) [Line Items]
Quantity of Ethanol under Sales Commitment (in US Gallons) | gal	46.5
Quantity of Distillers Grains Under Sales Commitment (in US Tons) | T	101,000
Quantity of Non-food Grade Corn Oil Under Sales Commitments (in Pounds) | lb	9.9
Natural Gas Pipeline [Member] | One Earth Energy And Nu Gen Energy [Member]
COMMITMENTS (Details) [Line Items]
Operating Leases, Future Minimum Payments Due	$ 351,000	351,000	351,000
Natural Gas Pipeline [Member] | One Earth Energy [Member]
COMMITMENTS (Details) [Line Items]
Lease Expiration Period	10 years
Natural Gas Pipeline [Member] | Renewal [Member] | One Earth Energy [Member]
COMMITMENTS (Details) [Line Items]
Lease Expiration Period	15 years
Installment amount	$ 29,250
Distillers Grains Marketing Services [Member] | One Earth Energy And Nu Gen Energy [Member]
COMMITMENTS (Details) [Line Items]
Marketing Expense	$ 1,159,000	$ 1,190,000	$ 841,000