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v3.25.3

ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables) | 12 Months Ended
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Sep. 30, 2025
ALLOWANCE FOR DOUBTFUL ACCOUNTS |
Schedule of allowance for doubtful accounts receivable | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | September 30,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at beginning of period | ​ | $ | 738,526 | ​ | $ | 51,063
Charged to expense | ​ |  | 423,750 | ​ |  | 687,463
Deductions for uncollectible receivables written off, net of recoveries | ​ |  | (640,660) | ​ |  | —
Balance at end of period | ​ | $ | 521,616 | ​ | $ | 738,526
​

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- Definition Tabular disclosure of allowance for doubtful accounts receivable. + References No definition available. + Details
Name: | esoa_ScheduleOfAllowanceForDoubtfulAccountsReceivableTableTextBlock
Namespace Prefix: | esoa_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration