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Condensed Consolidated Statements Of Income (USD $)
 3 Months Ended
Jan. 31, 2012
Jan. 31, 2011
Condensed Consolidated Statements Of Income [Abstract]    
Net sales $ 17,334,015 $ 17,712,784
Cost of goods sold 11,183,961 11,287,944
Gross profit 6,150,054 6,424,840
Selling, general and administrative expenses 5,964,852 5,980,919
Royalty income, net (185,526) (161,124)
Amortization of intangible assets 33,375 107,702
Income from operations 337,353 497,343
Other expense, net:    
Interest expense (143,701) (149,957)
Other, net (1,191) 31,083
Other expense, net (144,892) (118,874)
Income before income taxes 192,461 378,469
Income tax expense 39,756 39,309
Net income 152,705 339,160
Net loss attributable to noncontrolling interest (39,739) (63,151)
Net income attributable to Optical Cable Corporation $ 192,444 $ 402,311
Net income attributable to Optical Cable Corporation    
per share: Basic and diluted $ 0.03 $ 0.06
Cash dividends declared per common share $ 0.015 $ 0.01