Escalated amount of operating lease monthly payment.

No definition available.

Name:	evtv_EscalatedAmountOfOperatingLeaseMonthlyPayment
Namespace Prefix:	evtv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lease agreement effective date.

+ References

No definition available.

+ Details

Name:	evtv_LeaseAgreementEffectiveDate
Namespace Prefix:	evtv_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	evtv_LeaseCommencementDate
Namespace Prefix:	evtv_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of operating leases in which the lessee is currently engaged.

+ References

No definition available.

+ Details

Name:	evtv_LesseeOperatingLeaseNumberOfLeases
Namespace Prefix:	evtv_
Data Type:	xbrli:integerItemType
Balance Type:	na
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

Operating Lease Monthly Payment, Escalated.

+ References

No definition available.

+ Details

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

- Definition

Operating lease termination notice period.

+ References

No definition available.

+ Details

Name:	evtv_OperatingLeaseTerminationNoticePeriod
Namespace Prefix:	evtv_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Sub Lease Commencement Date.

+ References

No definition available.

+ Details

Name:	evtv_SubLeaseCommencementDate
Namespace Prefix:	evtv_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Date which lease or group of leases is set to expire, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease renewal, 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
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

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123406913&loc=d3e41502-112717

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI https://asc.fasb.org/extlink&oid=123403562&loc=d3e38371-112697

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

+ Details

Name:	us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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

- Details

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

- Details

Name:	us-gaap_LeaseContractualTermAxis=evtv_StorageSpaceInStocktonCalifornia1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_LeaseContractualTermAxis=evtv_CorporateOfficeInCoronaCalifornia1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evtv_MastersTransportationInc1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_StatementGeographicalAxis=stpr_FL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

Leases - Additional Information (Details)			1 Months Ended		3 Months Ended		6 Months Ended
Leases - Additional Information (Details)	Apr. 08, 2022 USD ($)	Feb. 04, 2020 USD ($)	Dec. 31, 2019 USD ($)	Feb. 28, 2017 USD ($)	Jun. 30, 2022 USD ($) Lease	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Lease	Jun. 30, 2021 USD ($)	Dec. 31, 2022 USD ($)
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense					$ 23,312	$ 23,313	$ 46,624	$ 42,745
Base rent for term of lease					13,563		13,563
Operating Leases, Rent Expense, Net					$ 55,118	132,949	$ 128,167	190,796
Lessee, Operating Lease, Renewal Term					1 year		1 year
Sub Lease Commencement Date							Apr. 01, 2022
Number of lease \| Lease					9		9
SRI Office Lease
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense	$ 7,280					2,730	$ 10,010	5,460
ABCI Office Lease
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense					$ 8,400	$ 8,400	16,800	$ 16,800
Operating Lease Monthly Payment					$ 2,800		$ 2,800
Storage Space in Stockton, California [Member]
Operating Leased Assets [Line Items]
Operating Lease Monthly Payment				$ 1,000
Operating lease termination notice period				30 days
Warehouse Space in Corona, California [Member]
Operating Leased Assets [Line Items]
Operating Lease Monthly Payment			$ 13,108
Operating lease, contract term			36 months
Lease expiration date			Dec. 31, 2022
Base rent for term of lease			$ 495,720
Lease Commencement Date			Jan. 01, 2020
Warehouse Space in Corona, California [Member] \| Forecast
Operating Leased Assets [Line Items]
Operating lease monthly payment escalated									$ 13,906
Warehouse Space in Corona, California [Member] \| Fire Sprinkler Alarm Monitoring and Landscape Maintenance [Member]
Operating Leased Assets [Line Items]
Operating Lease Monthly Payment			$ 265
Corporate Office in Corona, California [Member] \| Masters Transportation, Inc. [Member]
Operating Leased Assets [Line Items]
Operating Lease Monthly Payment		$ 6,000
Lease agreement effective date		Feb. 01, 2020
Operating lease monthly payment, escalated amount		$ 6,365
Toledo Jet Center [Member]
Operating Leased Assets [Line Items]
Operating lease, contract term					1 year		1 year
Toledo Jet Center [Member] \| FLORIDA
Operating Leased Assets [Line Items]
Lease Commencement Date							Feb. 15, 2022
Toledo Jet Center [Member] \| Office Space [Member]
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense					$ 4,815		$ 7,223
Equipment Leases [Member]
Operating Leased Assets [Line Items]
Number of lease \| Lease					5		5