Annual report pursuant to section 13 and 15(d)

Document And Entity Information

Document And Entity Information (USD $)
12 Months Ended
Oct. 31, 2013
Jan. 10, 2014
Apr. 30, 2013
Document and Entity Information [Abstract]      
Entity Registrant Name COPYTELE INC    
Document Type 10-K    
Current Fiscal Year End Date --10-31    
Entity Common Stock, Shares Outstanding   210,447,530  
Entity Public Float     $ 37,710,056
Amendment Flag true    
Amendment Description Amended to incorporate XBRL into filing.    
Entity Central Index Key 0000715446    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Smaller Reporting Company    
Entity Well-known Seasoned Issuer No    
Document Period End Date Oct. 31, 2013    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY