Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Jul. 31, 2020
Sep. 08, 2020
Cover [Abstract]    
Entity Registrant Name Anixa Biosciences Inc  
Entity Central Index Key 0000715446  
Document Type 10-Q  
Document Period End Date Jul. 31, 2020  
Amendment Flag false  
Current Fiscal Year End Date --10-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business Flag true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   23,789,386
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2020