Cover - shares	3 Months Ended
	Jan. 31, 2023	Mar. 16, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jan. 31, 2023
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2023
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, par value $.01 per share
Trading Symbol	ANIX
Security Exchange Name	NASDAQ
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 Common Stock, Shares Outstanding		30,924,868