Monthly base rent.

No definition available.

Name:	evi_MonthlyBaseRent
Namespace Prefix:	evi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amount of monthly base rental payments.

+ References

No definition available.

+ Details

Name:	evi_MonthlyBaseRentalPaymentsInitialTerm
Namespace Prefix:	evi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

Name:	evi_TransactionswithRelatedPartiesDetailsLineItems
Namespace Prefix:	evi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

- Definition

Net rentable area for properties owned.

+ References

No definition available.

+ Details

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

- Definition

Cash payments to lessor's for use of assets under operating leases.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

Name:	us-gaap_PaymentsForRent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of operating expenses for the period that are associated with the utility's normal revenue producing operation; including selling, general, and administrative expenses, costs incurred for routine plant repairs and maintenance, and operations.

+ References

No definition available.

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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

- Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evi_ScottMartinMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evi_PeterLimoncelliMember
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Transactions with Related Parties (Details)						3 Months Ended
Transactions with Related Parties (Details)	Nov. 03, 2020 USD ($) ft²	Jan. 01, 2019 USD ($)	Nov. 01, 2018 USD ($)	Oct. 31, 2017 USD ($)	Oct. 10, 2016 USD ($) ft²	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Transactions with Related Parties [Line Items]
Base rent	$ 12,750
Lease totaled							$ 38,000
Dennis Mack and Tom Marks [Member]
Transactions with Related Parties [Line Items]
Lease agreement (in Square Feet) \| ft²					17,600
Renewal terms					3 years
Monthly base rental payment during initial terms					$ 12,000
Base rent					$ 19,000
Mike Zuffinetti [Member]
Transactions with Related Parties [Line Items]
Lease totaled		$ 36,000	$ 26,000			$ 57,000	57,000
Matt Stephenson [Member]
Transactions with Related Parties [Line Items]
Base rent				$ 40,000
Scott Martin [Member]
Transactions with Related Parties [Line Items]
Lease totaled						120,000	$ 108,000
Peter Limoncelli [Member]
Transactions with Related Parties [Line Items]
Lease agreement (in Square Feet) \| ft²	12,500
Monthly base rental payment during initial terms	$ 11,000
Base rent	$ 12,500
Lease totaled						$ 38,000