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Sales by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Oct. 31, 2014 | Oct. 31, 2013
Revenue, Major Customer [Line Items] |  |
Sales revenue | $ 23,115 us-gaap_SalesRevenueNet | $ 36,625 us-gaap_SalesRevenueNet
United States |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 21,452 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = country_US | 35,115 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = country_US
Canada |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 531 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = stpr_CA | 638 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = stpr_CA
Israel |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 321 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = stpr_IL | 289 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = stpr_IL
Mexico |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 527 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = country_MX | 413 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = country_MX
All other |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | 284 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = rfil_AllOtherMember | 170 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = rfil_AllOtherMember
Foreign Countries, total |  |
Revenue, Major Customer [Line Items] |  |
Sales revenue | $ 1,663 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = rfil_ForeignCountriesTotalMember | $ 1,510 us-gaap_SalesRevenueNet / rfil_AllCountryAxis = rfil_ForeignCountriesTotalMember

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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 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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