Name:	engn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignExchangeRateTranslationAdjustment
Namespace Prefix:	engn_
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Fair value measurement with unobservable inputs reconciliation recurring basis liability reclassification of warrants to equity upon consummation of reverse recapitalization.

No definition available.

Name:	engn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationOfWarrantsToEquityUponConsummationOfReverseRecapitalization
Namespace Prefix:	engn_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Fair value measurement with unobservable inputs reconciliation recurring basis liability warrant liability recognized upon issuance.

No definition available.

Name:	engn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityWarrantLiabilityRecognizedUponIssuance
Namespace Prefix:	engn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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

Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.