Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.8.0.1
Document And Entity Information - shares
9 Months Ended
Apr. 30, 2018
Jun. 01, 2018
Document and Entity Information [Abstract]    
Entity Registrant Name ENZO BIOCHEM INC  
Document Type 10-Q  
Current Fiscal Year End Date --07-31  
Entity Common Stock, Shares Outstanding   47,165,942
Amendment Flag false  
Entity Central Index Key 0000316253  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Accelerated Filer  
Entity Well-known Seasoned Issuer No  
Document Period End Date Apr. 30, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3