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Summary of Significant Accounting Policies (Policies) | 9 Months Ended
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Mar. 31, 2022
Accounting Policies [Abstract] |
Significant Accounting Policies | Note (2) – Summary of Significant Accounting Policies: There have been no material changes to the Company’s significant accounting policies from those described in Note 1 to the Company’s audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2021.

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- Definition Disclosure of accounting policy pertaining to significant accounting policies. + References No definition available. + Details
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Namespace Prefix: | evi_
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Balance Type: | na
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- References No definition available. + Details
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