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Document And Entity Information (USD $)
 12 Months Ended
Oct. 31, 2014
Dec. 12, 2014
Apr. 30, 2014
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 Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Common Stock, Shares Outstanding (in shares)   6,839,778dei_EntityCommonStockSharesOutstanding  
Entity Public Float     $ 20,657,234dei_EntityPublicFloat
Document Type 10-K    
Document Period End Date Oct. 31, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Amendment Flag false