Derivative Instrument - Income Statement (Details) - Not Designated as Hedging Instruments - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ (87,237)	$ (186,152)	$ 132,392	$ 113,708
Cost of Sales [Member] | Corn Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	602,490	(240,768)	545,862	(23,370)
Cost of Sales [Member] | Natural Gas Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net		32,358		32,358
Sales [Member] | Ethanol Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ (689,727)	$ 22,258	$ (413,470)	$ 104,720