CONCENTRATIONS (Details) - customer	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
CONCENTRATIONS
Number of major customers	3	3
Total revenues | Customer
CONCENTRATIONS
Number of major customers	3	3
Total revenues | Customer | Eco-Energy, Inc. | Ethanol production
CONCENTRATIONS
Concentration percentage	76.70%	77.30%
Total revenues | Customer | Gavilon Ingredients, LLC | Distiller's grains
CONCENTRATIONS
Concentration percentage	15.90%	16.90%
Total revenues | Customer | RPMG, Inc. | Corn Oil
CONCENTRATIONS
Concentration percentage	3.80%	3.30%
Accounts receivable | Credit
CONCENTRATIONS
Number of major customers	3	3
Accounts receivable | Credit | Eco-Energy, Inc. | Ethanol production
CONCENTRATIONS
Concentration percentage	54.80%	80.00%
Accounts receivable | Credit | Gavilon Ingredients, LLC | Distiller's grains
CONCENTRATIONS
Concentration percentage	20.00%	15.30%
Accounts receivable | Credit | RPMG, Inc. | Corn Oil
CONCENTRATIONS
Concentration percentage	6.40%	2.80%