Enzo Biochem, Inc. Annual report pursuant to Section 13 and 15(d)

Stockholders??? Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices

Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices	12 Months Ended
	Jul. 31, 2022 $ / shares shares
Stock options outstanding [Member] \| Exercise Price Range $2.14 - $3.64 [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Shares (in Shares) \| shares	3,554,633
Weighted- Average Remaining Contractual Life in Years	3 years 7 months 6 days
Weighted- Average Exercise Price	$ 2.73
Stock options outstanding [Member] \| Exercise Price Range $2.14 - $3.64 [Member] \| Minimum [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	2.14
Stock options outstanding [Member] \| Exercise Price Range $2.14 - $3.64 [Member] \| Maximum [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	3.64
Stock options outstanding [Member] \| Exercise Price Range $4.42 [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	$ 4.42
Shares (in Shares) \| shares	290,000
Weighted- Average Remaining Contractual Life in Years	1 year
Weighted- Average Exercise Price	$ 4.42
Stock options outstanding [Member] \| Exercise Price Range $5.52 - $8.36 [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Shares (in Shares) \| shares	97,150
Weighted- Average Remaining Contractual Life in Years	7 months 6 days
Weighted- Average Exercise Price	$ 7.47
Stock options outstanding [Member] \| Exercise Price Range $5.52 - $8.36 [Member] \| Minimum [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	5.52
Stock options outstanding [Member] \| Exercise Price Range $5.52 - $8.36 [Member] \| Maximum [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	$ 8.36
Stock options outstanding [Member] \| Exercise Price Range [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Shares (in Shares) \| shares	3,941,783
Stock Options Exercisable [Member] \| Exercise Price Range $2.14 - $3.64 [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Shares (in Shares) \| shares	1,407,249
Weighted- Average Remaining Contractual Life in Years	2 years 3 months 18 days
Weighted- Average Exercise Price	$ 2.58
Stock Options Exercisable [Member] \| Exercise Price Range $2.14 - $3.64 [Member] \| Minimum [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	2.14
Stock Options Exercisable [Member] \| Exercise Price Range $2.14 - $3.64 [Member] \| Maximum [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	3.64
Stock Options Exercisable [Member] \| Exercise Price Range $4.42 [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	$ 4.42
Shares (in Shares) \| shares	290,000
Weighted- Average Remaining Contractual Life in Years	1 year
Weighted- Average Exercise Price	$ 4.42
Stock Options Exercisable [Member] \| Exercise Price Range $5.52 - $8.36 [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Shares (in Shares) \| shares	97,150
Weighted- Average Remaining Contractual Life in Years	7 months 6 days
Weighted- Average Exercise Price	$ 7.47
Stock Options Exercisable [Member] \| Exercise Price Range $5.52 - $8.36 [Member] \| Minimum [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	5.52
Stock Options Exercisable [Member] \| Exercise Price Range $5.52 - $8.36 [Member] \| Maximum [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Range of Exercise prices	$ 8.36
Stock Options Exercisable [Member] \| Exercise Price Range [Member]
Stockholders’ Equity (Details) - Schedule of share based compensation stock options activity range of exercise prices [Line Items]
Shares (in Shares) \| shares	1,794,399