DERIVATIVE INSTRUMENTS - Income Statement (Details) - Not Designated as Hedging Instruments - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Derivative Instruments, Gain (Loss)
Total gain	$ (769,575)	$ 244,591	$ (1,140,186)	$ 288,819
Cost of Goods Sold | Corn Contracts
Derivative Instruments, Gain (Loss)
Total gain	(563,645)	281,424	(723,863)	325,652
Revenues | Ethanol Contracts
Derivative Instruments, Gain (Loss)
Total gain	$ (205,930)	$ (36,833)	$ (416,323)	$ (36,833)