DERIVATIVE INSTRUMENTS (Details)	12 Months Ended
Oct. 31, 2017 USD ($) MMBTU bu gal	Oct. 31, 2016 USD ($) bu
Derivative instruments
Assets	$ 141,644	$ 662,338
Liabilities	$ 27,630
Corn contracts
Derivative instruments
Notional volume \| bu	1,120,000	4,285,000
Restricted cash		$ 0
Corn contracts \| Long/Purchase
Derivative instruments
Notional volume \| bu	215,000	3,100,000
Corn contracts \| Short/Sale
Derivative instruments
Notional volume \| bu	905,000	1,185,000
Ethanol contracts
Derivative instruments
Notional volume \| gal	420,000
Natural gas contracts
Derivative instruments
National Energy \| MMBTU	120,000
Derivatives held by a broker
Derivative instruments
Restricted cash	$ 0
Derivatives held by a broker \| Accounts Payable
Derivative instruments
Liabilities	12,000
Derivatives not designated as hedging instruments
Derivative instruments
Assets	141,644	$ 662,338
Liabilities	$ 27,630
Derivatives not designated as hedging instruments \| Commodity Contract \| Maximum
Derivative instruments
Derivative term	24 months
Derivatives not designated as hedging instruments \| Corn contracts
Derivative instruments
Assets	$ 141,644	388,525
Derivatives not designated as hedging instruments \| Ethanol contracts
Derivative instruments
Assets		$ 273,813
Liabilities	12,249
Derivatives not designated as hedging instruments \| Natural gas contracts
Derivative instruments
Liabilities	$ 15,381

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Nominal volume used to calculate payments on a derivative instrument.

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Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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