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Commitments - Additional Information (Detail) (USD $) | 12 Months Ended
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Oct. 31, 2014 | Oct. 31, 2013
Commitments And Contingencies [Line Items] |  |
Operating Leases, Rent Expense, Net, Total | $ 576,000 us-gaap_OperatingLeasesRentExpenseNet | $ 652,000 us-gaap_OperatingLeasesRentExpenseNet
Accrued Liabilities and Other Liabilities | $ 6,000 us-gaap_AccruedLiabilitiesAndOtherLiabilities | $ 15,000 us-gaap_AccruedLiabilitiesAndOtherLiabilities

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- Definition Amount of obligations incurred and payable, pertaining to costs that are statutory in nature, incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include, but not limited to, taxes, interest, rent and utilities. Also includes the aggregate carrying amount of liabilities not separately disclosed. + References No definition available. + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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