Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Oct. 31, 2021
Jan. 04, 2022
Apr. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Oct. 31, 2021    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2022    
Current Fiscal Year End Date --10-31    
Entity File Number 001-37492    
Entity Registrant Name ANIXA BIOSCIENCES, INC.    
Entity Central Index Key 0000715446    
Entity Tax Identification Number 11-2622630    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 3150 Almaden Expressway    
Entity Address, Address Line Two Suite 250    
Entity Address, City or Town San Jose    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 95118    
City Area Code 408    
Local Phone Number 708-9808    
Title of 12(b) Security Common Stock, $.01 par value    
Trading Symbol ANIX    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 139,830,036
Entity Common Stock, Shares Outstanding   30,132,319