Commitments - Additional Information (Detail) (USD $)	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Commitments And Contingencies [Line Items]
Accrued expenses and other long-term liabilities,	$ 15,000	$ 54,000
Lease expiration date	Mar. 31, 2014
Description of lessee leasing arrangements, operating leases	operating leases which expire at various dates through June 2015.
Rent expense operating leases	$ 652,000	$ 624,000