XML 11 R1.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Document and Entity Information
 9 Months Ended
Jul. 31, 2011
Sep. 14, 2011
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag true  
AmendmentDescription The sole purpose of this Amendment No. 1 to R F Industries Ltd Quarterly Report on Form 10-Q for the quarterly period ended July 31, 2011, filed with the Securities and Exchange Commission on September 14, 2011 (the “Form 10-Q”), is to furnish Exhibit 101 in accordance with Rule 405 of Regulation S-T. Exhibit 101 to this report provides the consolidated financial statements and related notes from the Form 10-Q formatted in XBRL (eXtensible Business Reporting Language). No other changes have been made to the Form 10-Q. This Amendment No. 1 to the Form 10-Q speaks as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date and does not modify or update in any way disclosures made in the original Form 10-Q. Pursuant to Rule 406T of Regulation S-T, the interactive data files on Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.  
Document Period End Date Jul. 31, 2011
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q3  
Trading Symbol RFIL  
Entity Registrant Name R F INDUSTRIES LTD  
Entity Central Index Key 0000740664  
Current Fiscal Year End Date --10-31  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   7,137,319