SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Jul. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

ENZO BIOCHEM, INC
SCHEDULE II
VALUATION AND QUALIFYING ACCOUNTS
Years ended July 31, 2017, 2016 and 2015
(in thousands)

Year ended July 31,	Description	Balance at Beginning of period		Charged (credited) to costs and expenses			Charged to other accounts	Deductions			Balance at end of period
2017	Allowance for doubtful accounts receivable		3,517		2,775				2,716	(1)		3,576
2016	Allowance for doubtful accounts receivable		1,786		2,336				605	(1)		3,517
2015	Allowance for doubtful accounts receivable		2,142		2,284				2,640	(1)		1,786
2017	Deferred tax valuation allowance		34,912		(2,179	)						32,733
2016	Deferred tax valuation allowance		49,658		(14,746	)						34,912
2015	Deferred tax valuation allowance		49,465		193							49,658

(1) Write-off of uncollectible accounts receivable.