Summary of Significant Accounting Policies (Schedule of Disaggregation of Revenue) (Details) - USD ($)	3 Months Ended												12 Months Ended
	Oct. 31, 2019	Jul. 31, 2019	Apr. 30, 2019	Jan. 31, 2019	Oct. 31, 2018	Jul. 31, 2018	Apr. 30, 2018	Jan. 31, 2018	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 26,015,463	$ 25,605,525	$ 22,939,711	$ 22,688,410	$ 21,812,514	$ 25,888,608	$ 24,262,577	$ 22,980,047	$ 24,079,023	$ 25,368,884	$ 23,718,623	$ 27,058,613	$ 97,249,109	$ 94,943,746	$ 100,225,143
Ethanol Sales
Disaggregation of Revenue [Line Items]
Revenues													75,541,437	72,664,310
Modified Distillers Grains Sales
Disaggregation of Revenue [Line Items]
Revenues													3,874,384	3,323,857
Dried Distillers Grains Sales
Disaggregation of Revenue [Line Items]
Revenues													14,700,718	15,641,622
Corn Oil Sales
Disaggregation of Revenue [Line Items]
Revenues													$ 3,132,570	$ 3,313,957