v3.3.1.900
Document And Entity Information - USD ($)
12 Months Ended
Oct. 31, 2015
Jan. 22, 2016
Apr. 30, 2015
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)   7,059,548  
Entity Public Float     $ 22,730,232
Document Type 10-K    
Document Period End Date Oct. 31, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Amendment Flag false