SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details)	12 Months Ended
Oct. 31, 2019 item
CONCENTRATIONS
Number of distinct marketing companies	3
Ethanol \| Eco-Energy, Inc. \| Revenue from product line
CONCENTRATIONS
Concentration percentage	100.00%
Distillers' Grains \| Gavilon, 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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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