SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Revenue Recognition (Details)	9 Months Ended
Jul. 31, 2020 company
CONCENTRATIONS
Number of distinct marketing companies	2
Ethanol \| Eco-Energy, Inc. \| Revenue from product line
CONCENTRATIONS
Concentration percentage	100.00%
Distillers grains \| RPMG, Inc. \| Revenue from product line
CONCENTRATIONS
Concentration percentage	100.00%
Corn oil \| RPMG, Inc. \| Revenue from product line
CONCENTRATIONS
Concentration percentage	100.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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