XML 136 R51.htm IDEA: XBRL DOCUMENT
v3.3.1.900

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

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | rfil_AllCountryAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rfil_AllCountryAxis=stpr_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rfil_AllCountryAxis=stpr_IL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rfil_AllCountryAxis=country_MX
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rfil_AllCountryAxis=rfil_AllOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rfil_AllCountryAxis=rfil_ForeignCountriesTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |