Enzo Biochem, Inc. Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Details) - shares		3 Months Ended	9 Months Ended
Net Income (Loss) Per Share (Details) - shares	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2024	Apr. 30, 2023
Net Income (Loss) Per Share [Line Items]
Common shares outstanding	4,097,000	1,832,000	2,542,000	3,627,000
Restricted Stock Units [Member]
Net Income (Loss) Per Share [Line Items]
Common shares outstanding		77,000	133,000
Debenture [Member]
Net Income (Loss) Per Share [Line Items]
Common shares outstanding		1,688,000	1,438,000
Unvested Restricted Stock and Performance Stock Units [Member]
Net Income (Loss) Per Share [Line Items]
Common shares outstanding	173,000			105,000
Warrant [Member]
Net Income (Loss) Per Share [Line Items]
Common shares outstanding		848,000	688,000