Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010	Dec. 31, 2006
Commitments and Contingencies [Abstract]
Maximum value of leased equipment under master lease agreement				$ 2,500,000
Capital Lease Obligations	234,000	248,000
Lease Payment Terms	36 months
Operating Leases, Rent Expense, Net	1,600,000	1,500,000	1,400,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months	1,068,000
Operating Leases, Future Minimum Payments, Due in Two Years	1,049,000
Operating Leases, Future Minimum Payments, Due in Three Years	725,000
Operating Leases, Future Minimum Payments, Due in Four Years	86,000
Operating Leases, Future Minimum Payments, Due in Five Years	7,000
Operating Leases, Future Minimum Payments, Due Thereafter	0
Operating Leases, Future Minimum Payments Due	2,935,000
Capital Leases, Future Minimum Payments Due, Next Twelve Months	135,000
Capital Leases, Future Minimum Payments Due in Two Years	83,000
Capital Leases, Future Minimum Payments Due in Three Years	16,000
Capital Leases, Future Minimum Payments Due in Four Years	0
Capital Leases, Future Minimum Payments Due in Five Years	0
Capital Leases, Future Minimum Payments Due Thereafter	0
Capital Leases, Future Minimum Payments Due	234,000
Reserve for Performance Guarantees	2,200,000	2,200,000
Loss Reserve on Service Agreements	$ 5,000,000	$ 8,900,000