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

Stockholders' Equity (Details) - Schedule of share-based compensation expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]
Stock Based Compensation Expense	$ 105	$ 109	$ 203	$ 212
Options [Member]
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]
Stock Based Compensation Expense	91	63	176	110
Restricted Stocks [Member]
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]
Stock Based Compensation Expense	$ 14	$ 46	$ 27	$ 102