Subsequent Events - Truckserv Enterprises, LLC. - Additional Information (Details) - Subsequent Event [Member] - Truckserv Maintenance Operations [Member]	Jan. 13, 2020 USD ($)
Subsequent Event [Line Items]
Purchase price payable	$ 450,000
JB Lease Note [Member]
Subsequent Event [Line Items]
Debt instrument, monthly payment of principle and interest	$ 10,000
Purchase price payable period	15 months
quarterly principal payments	$ 300,000

Disposal group not discontinued operation, purchase price.

No definition available.

Name:	evoa_DisposalGroupNotDiscontinuedOperationPurchasePrice
Namespace Prefix:	evoa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Disposal group not discontinued operation, purchase price payable for number of months.

+ References

No definition available.

+ Details

Name:	evoa_DisposalGroupNotDiscontinuedOperationPurchasePricePayableForNumberOfMonths
Namespace Prefix:	evoa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Disposal group not discontinued operation, purchase price payable per month.

+ References

No definition available.

+ Details

Name:	evoa_DisposalGroupNotDiscontinuedOperationPurchasePricePayablePerMonth
Namespace Prefix:	evoa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- 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

No definition available.

+ Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=evoa_TruckservMaintenanceOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=evoa_JBLeaseNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: