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

Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment

Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment - USD ($) $ in Thousands	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment [Line Items]
Accounts receivable net, current	$ 9,141	$ 10,738	$ 13,147
Clinical Labs [Member]
Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment [Line Items]
Accounts receivable net, current	$ 6,180	$ 6,800
Accounts receivable net, current, percentage	100.00%	100.00%
Life Sciences [Member]
Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment [Line Items]
Accounts receivable net, current	$ 2,961	$ 3,938
Third party payers [Member] \| Clinical Labs [Member]
Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment [Line Items]
Accounts receivable net, current	$ 2,455	$ 2,956
Accounts receivable net, current, percentage	40.00%	44.00%
Patient self-pay [Member] \| Clinical Labs [Member]
Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment [Line Items]
Accounts receivable net, current	$ 2,044	$ 2,360
Accounts receivable net, current, percentage	33.00%	35.00%
Medicare [Member] \| Clinical Labs [Member]
Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment [Line Items]
Accounts receivable net, current	$ 884	$ 910
Accounts receivable net, current, percentage	14.00%	13.00%
HMO's [Member] \| Clinical Labs [Member]
Summary of significant accounting policies (Details) - Schedule of net accounts receivable by segment [Line Items]
Accounts receivable net, current	$ 797	$ 574
Accounts receivable net, current, percentage	13.00%	8.00%