The amount of monthly lease payment due each month.

No definition available.

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Namespace Prefix:	evtv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-4

+ Details

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Period Type:	duration

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

+ Details

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-13

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evtv_SRIEquipmentLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=evtv_TwoVehiclesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

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Note 10 - Related Party Transactions (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Apr. 01, 2020	Jan. 01, 2020	Dec. 01, 2019
Operating Lease, Payments		$ 101,312	$ 45,767
Payments to Acquire Property, Plant, and Equipment		35,810	$ 168,583
Vehicles [Member] \| Chief Executive Officer [Member]
Payments to Acquire Property, Plant, and Equipment	$ 45,216
S R I Equipment Leases [Member]
Operating Lease, Expense		93,247
S R I Equipment Leases [Member] \| SRI Professional Services, Incorporated [Member]
Operating Lease Monthly Payment						$ 7,771
S R I Equipment Leases [Member] \| SRI Professional Services, Incorporated [Member] \| Two Vehicles [Member]
Operating Lease Monthly Payment					$ 3,880
S R I Equipment Leases [Member] \| SRI Professional Services, Incorporated [Member] \| Trailer [Member]
Operating Lease Monthly Payment						$ 3,891
S R I Office Lease [Member]
Operating Lease, Expense		13,650
S R I Office Lease [Member] \| SRI Professional Services, Incorporated [Member]
Operating Lease Monthly Payment					$ 2,730
A B C I Office Lease [Member] \| Alpha Bravo Charlie, Inc. (“ABCI”) [Member]
Operating Lease Monthly Payment				$ 5,000
Operating Lease, Expense		68,400
A B C I Office Lease [Member] \| Alpha Bravo Charlie, Inc. (“ABCI”) [Member] \| Hangar Facilities [Member]
Operating Lease, Payments		8,400
Use of Personal Airplane [Member] \| Chief Executive Officer [Member]
Operating Lease, Expense		81,269
Engineering Consulting Services [Member] \| 42Motorsports [Member]
Related Party Transaction, Amounts of Transaction		$ 150,000