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Consolidated Statements Of Operations (USD $)
 12 Months Ended
Oct. 31, 2011
Oct. 31, 2010
Oct. 31, 2009
Consolidated Statements Of Operations [Abstract]      
Net sales $ 73,339,591 $ 67,506,174 $ 58,588,560
Cost of goods sold 47,048,370 43,746,220 38,747,590
Gross profit 26,291,221 23,759,954 19,840,970
Selling, general and administrative expenses 25,168,893 24,267,614 22,345,311
Royalty income, net (783,230) (1,233,607) (877,809)
Amortization of intangible assets 430,807 587,233 825,399
Impairment of goodwill   5,580,250  
Impairment of intangible assets (other than goodwill)     343,590
Income (loss) from operations 1,474,751 (5,441,536) (2,795,521)
Other income (expense), net:      
Interest income 4,659 79,543 831,084
Interest expense (624,829) (621,750) (681,851)
Other, net 1,170 64,726 16,130
Other income (expense), net (619,000) (477,481) 165,363
Income (loss) before income taxes 855,751 (5,919,017) (2,630,158)
Income tax expense (benefit) 398,252 91,290 (705,659)
Net income (loss) 457,499 (6,010,307) (1,924,499)
Net loss attributable to noncontrolling interest (208,817) (277,382)  
Net income (loss) attributable to Optical Cable Corporation $ 666,316 $ (5,732,925) $ (1,924,499)
Net income (loss) per share attributable to Optical Cable Corporation:      
Basic and diluted $ 0.11 $ (0.95) $ (0.34)
Cash dividends declared per common share $ 0.04 $ 0.01