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Sales by Geographic Area (Detail) (USD $) | 12 Months Ended
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Oct. 31, 2012 | Oct. 31, 2011
Revenue, Major Customer [Line Items] |  |
Sales revenue | $ 30,232,653 | $ 19,433,503
United States |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 28,621,502 | 17,330,928
Canada |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 830,262 | 1,117,660
Israel |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 256,967 | 386,426
Mexico |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 396,954 | 388,191
Foreign countries, All Other |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | $ 126,968 | $ 210,298

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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=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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