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Accrued Liabilities (Details) $ in Thousands	Jan. 31, 2018 USD ($)
Payables and Accruals [Abstract]
Accrued Legal Settlement Current	$ 400

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- Definition

Accrued legal settlement current.

+ References

No definition available.

+ Details

Name:	enz_AccruedLegalSettlementCurrent
Namespace Prefix:	enz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

Name:	us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration