Leases Narrative (Details) (USD $)	3 Months Ended	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 2,602,286	$ 2,602,286
Operating Leases, Future Minimum Payments, Due in Two Years	1,640,775	1,640,775
Operating Leases, Future Minimum Payments, Due in Three Years	940,910	940,910
Operating Leases, Future Minimum Payments, Due in Four Years	474,004	474,004
Operating Leases, Future Minimum Payments, Due in Five Years	60,816	60,816
Operating Leases, Future Minimum Payments Due	5,718,791	5,718,791
Operating Leases, Rent Expense		1,800,000	2,200,000	1,800,000
Hopper Cars [Member]
Operating Leases, Rent Expense, Net		75
Rail Cars [Member]
Operating Leases, Rent Expense, Net		176
Hopper Cars [Member]
Operating Leases, Rent Expense, Net		620
Rail Cars [Member]
Operating Leases, Rent Expense, Net		121,000
Hopper Cars [Member]
Operating Leases, Rent Expense, Net		0.03
Hopper Cars [Member]
Operating Leases, Rent Expense, Net		36,000
Rail Cars [Member]
Operating Leases, Rent Expense, Net		1,437,000	1,278,000	1,171,000
Hopper Cars [Member]
Operating Leases, Rent Expense, Net		557,000	552,000	553,000
Contract Length	5 years
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative Liabilities	(75,113)	(75,113)	(45,563)
Fair Value, Measurements, Recurring [Member]
Derivative Liabilities	(75,113)	(75,113)	(45,563)
Fair Value, Inputs, Level 1 [Member]
Derivative Liabilities	(75,113)	(75,113)	(45,563)
Fair Value, Inputs, Level 2 [Member]
Derivative Liabilities	0	0	0
Fair Value, Inputs, Level 3 [Member]
Derivative Liabilities	$ 0	$ 0	$ 0