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Document And Entity Information (USD $)
 12 Months Ended
Oct. 31, 2011
Document And Entity Information [Abstract]  
Document Type 10-K
Amendment Flag false
Document Period End Date Oct. 31, 2011
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2011
Entity Registrant Name OPTICAL CABLE CORP
Entity Central Index Key 0001000230
Current Fiscal Year End Date --10-31
Entity Filer Category Smaller Reporting Company
Entity Well-known Seasoned Issuer No
Entity Current Reporting Status Yes
Entity Voluntary Filers No
Entity Common Stock, Shares Outstanding 6,287,761
Entity Public Float $ 25,103,918