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Subsequent Events (Details - Textuals) $ in Millions	Oct. 25, 2023 USD ($)
Subsequent Event [Member] | Chief Strategy Officer | Selling, general and administrative
Subsequent Event [Line Items]
Reversal of accrued payroll related expenses	$ 1.3

X

- Definition

The reversal amount of accrued payroll related expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	evex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

+ Details

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Period Type:	duration

X

- Details

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Namespace Prefix:
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X

- Details

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X

- Details

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