Annual report pursuant to section 13 and 15(d)

Document And Entity Information

Document And Entity Information (USD $)
12 Months Ended
Oct. 31, 2011
Jan. 23, 2012
Apr. 30, 2011
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Oct. 31, 2011    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus FY    
Entity Registrant Name COPYTELE INC    
Entity Central Index Key 0000715446    
Current Fiscal Year End Date --10-31    
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   179,694,292  
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Well-known Seasoned Issuer No    
Entity Public Float     $ 31,854,903