SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Jul. 31, 2019

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

ENZO BIOCHEM, INC
SCHEDULE II

VALUATION AND QUALIFYING ACCOUNTS
As of and for the Years ended July 31, 2019, 2018 and 2017

(in thousands)

Year ended July 31,	Description	Balance at Beginning of Year		Charged (credited) to costs and expenses			Charged to other accounts	Deductions			Balance at end of Year
2019	Allowance for doubtful accounts receivable		145		42				21	(1)		166
2018	Allowance for doubtful accounts receivable		147		—				2	(1)		145
2017	Allowance for doubtful accounts receivable		102		57				12	(1)		147
2019	Deferred tax valuation allowance		24,471		(944	)						23,527
2018	Deferred tax valuation allowance		32,581		(8,110	)						24,471
2017	Deferred tax valuation allowance		34,912		(2,331	)						32,581

(1) Write-off of uncollectible accounts receivable.