Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
9 Months Ended
Apr. 30, 2024
Jun. 10, 2024
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Apr. 30, 2024  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Entity Information [Line Items]    
Entity Registrant Name ENZO BIOCHEM, INC  
Entity Central Index Key 0000316253  
Entity File Number 001-09974  
Entity Tax Identification Number 13-2866202  
Entity Incorporation, State or Country Code NY  
Current Fiscal Year End Date --07-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 21 Executive Blvd  
Entity Address, Address Line Two Farmingdale  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 11735  
Entity Phone Fax Numbers [Line Items]    
City Area Code (631)  
Local Phone Number 755-5500  
Entity Listings [Line Items]    
Title of 12(b) Security Common stock $0.01 par value  
Trading Symbol ENZ  
Security Exchange Name NYSE  
Entity Common Stock, Shares Outstanding   51,457,660