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

Quarterly report pursuant to Section 13 or 15(d)

Share-based compensation (Detail) - Schedule of share-based compensation expense by line item

Share-based compensation (Detail) - Schedule of share-based compensation expense by line item (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2013	Jan. 31, 2012
Share Based Payment Arrangement	$ 160	$ 217	$ 301	$ 430
Cost of Clinical Laboratory Services [Member]
Share Based Payment Arrangement	2	3	5	5
Research and Development Expense [Member]
Share Based Payment Arrangement	1	1	1	4
Selling, General and Administrative Expenses [Member]
Share Based Payment Arrangement	$ 157	$ 213	$ 295	$ 421

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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