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Sales by geographic area (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
Revenue, Major Customer [Line Items]
Sales revenue	$ 32,804	$ 23,115
United States
Revenue, Major Customer [Line Items]
Sales revenue	31,628	21,452
Canada
Revenue, Major Customer [Line Items]
Sales revenue	362	531
Israel
Revenue, Major Customer [Line Items]
Sales revenue	296	321
Mexico
Revenue, Major Customer [Line Items]
Sales revenue	395	527
All other
Revenue, Major Customer [Line Items]
Sales revenue	123	284
Foreign Countries, total
Revenue, Major Customer [Line Items]
Sales revenue	$ 1,176	$ 1,663

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- Definition

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+ References

No definition available.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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