DERIVATIVE INSTRUMENTS - Income Statement (Details) - Not Designated as Hedging Instruments - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Derivative Instruments, Gain (Loss)
Total gain	$ (370,313)	$ 1,312,158	$ (1,510,499)	$ 1,600,976
Cost of Goods Sold | Corn Contracts
Derivative Instruments, Gain (Loss)
Total gain	(297,465)	1,019,477	(1,021,328)	1,345,128
Revenues | Ethanol Contracts
Derivative Instruments, Gain (Loss)
Total gain	$ (72,848)	$ 292,681	$ (489,171)	$ 255,848