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Commitments - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Oct. 31, 2017 | Oct. 31, 2016
Commitments And Contingencies [Line Items] |  |
Operating Leases, Rent Expense, Net, Total | $ 644,000 | $ 628,000
Accrued Liabilities and Other Liabilities, Total | $ 95,000 | $ 3,000

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- Definition Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other. + 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=77902758&loc=d3e41499-112717 + Details
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