Amount of common area maintenance costs as percentage of monthly rent.

No definition available.

Name:	evtv_CommonAreaMaintenanceCostsPercentOfMonthlyRent
Namespace Prefix:	evtv_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The monthly rent for the first year of operating lease of the lessor.

+ References

No definition available.

+ Details

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

- Definition

The monthly rent for the remaining term of operating lease of the lessor.

+ References

No definition available.

+ Details

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

- Definition

The monthly rent in year two of operating lease of the lessor.

+ References

No definition available.

+ Details

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

- Definition

The amount of monthly lease payment due each month.

+ References

No definition available.

+ Details

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

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_LeaseContractualTermAxis=evtv_SubleaseWithMaddoxDefenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_PresidentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=evtv_SubleaseOfWarehouseBuildingInClarkFreeportZoneInPhilippinesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=evtv_LeasedResidenceInOsceolaArkansasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=evtv_LeasedLocationInManalapanNewJerseyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 12 - Leases (Details Textual)	Apr. 01, 2025	Aug. 26, 2024 USD ($)	Jul. 01, 2024 USD ($)	Mar. 28, 2023 USD ($) yd²
Sublease With Maddox Defense [Member] \| President [Member]
Lessee, Operating Lease, Term of Contract (Year)	3 years
Sublease of Warehouse Building in Clark Freeport Zone in Philippines [Member]
Lessee, Operating Lease, Term of Contract (Year)				2 years 2 months 1 day
Area of Real Estate Property (Square Yard) \| yd²				3,600
Lessor, Operating Lease, Monthly Rent, First Year				$ 15,000
Lessor, Operating Lease, Monthly Rent, Year Two				15,750
Lessor, Operating Lease, Monthly Rent, Remaining Term				$ 16,530
Common Area Maintenance Costs, Percent of Monthly Rent				5.00%
Leased Residence in Osceola, Arkansas [Member]
Operating Lease Monthly Payment			$ 3,000
Leased Location in Manalapan, New Jersey [Member]
Operating Lease Monthly Payment		$ 2,900