Document And Entity Information - shares
 6 Months Ended
Apr. 30, 2016
Jun. 03, 2016
Entity Registrant Name OPTICAL CABLE CORP  
Entity Central Index Key 0001000230  
Trading Symbol occ  
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)   7,094,072
Document Type 10-Q  
Document Period End Date Apr. 30, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q2  
Amendment Flag false