Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - Commodity Contract - USD ($)	Oct. 31, 2019	Oct. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
In gain position	$ 124,069	$ 0
In loss position	(775,887)	(2,280,280)
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
In gain position	4,538	0
In loss position	(4,375)	(37,485)
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
In gain position	119,531	0
In loss position	(771,512)	(2,242,795)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
In gain position	0	0
In loss position	$ 0	$ 0