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Fair Value Measurements (Tables)
 6 Months Ended
Apr. 30, 2015
Fair Value Measurements [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following table provides information on those assets (liabilities) measured at fair value on a recurring basis.

 
 
Fair Value as of
 
Fair Value Measurement Using
 
 
April 30, 2015
 
Level 1
 
Level 2
 
Level 3
Derivative instruments - commodities
 
$
(597,242
)
 
$
(597,242
)
 
$
—

 
$
—


 
 
Fair Value as of
 
Fair Value Measurement Using
 
 
October 31, 2014
 
Level 1
 
Level 2
 
Level 3
Derivative instruments - commodities
 
$
(339,011
)
 
$
(339,011
)
 
$
—

 
$
—