It represents the information of borrowed on line of credit.

No definition available.

Name:	esoa_BorrowedOnLineOfCredit
Namespace Prefix:	esoa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Description of Maximum Debt To tangible Net Worth Ratio To Be Measured Semi Annually

+ References

No definition available.

+ Details

Name:	esoa_MaximumDebtToTangibleNetWorthRatioToBeMeasuredSemiAnnually
Namespace Prefix:	esoa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of minimum current ratio to be measured quarterly.

+ References

No definition available.

+ Details

Name:	esoa_MinimumCurrentRatioToBeMeasuredQuarterly
Namespace Prefix:	esoa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of minimum traditional debt service coverage measured quarterly on a rolling twelve- month basis.

+ References

No definition available.

+ Details

Name:	esoa_MinimumDebtServiceCoverageMeasuredQuarterlyOnRollingTwelveMonthBasis
Namespace Prefix:	esoa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents amount of tangible net worth measured at quarterly.

+ References

No definition available.

+ Details

Name:	esoa_MinimumTangibleNetWorthToBeMeasuredQuarterly
Namespace Prefix:	esoa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of loan received from paycheck protection program (PPP).

+ References

No definition available.

+ Details

Name:	esoa_PaycheckProtectionProgramLoansReceived
Namespace Prefix:	esoa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of unanimously voted to return loans.

+ References

No definition available.

+ Details

Name:	esoa_PaycheckProtectionProgramOfUnanimouslyVotedToReturnLoans
Namespace Prefix:	esoa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The ratio to be maintained by borrower for Maximum Senior Funded Debt ("SFD") to Earnings before Interest, Taxes, Depreciation and Amortization ("EBDITA").

+ References

No definition available.

+ Details

Name:	esoa_RatioToBeMaintainedByBorrowerForMaximumSeniorFundedDebtToEbdita
Namespace Prefix:	esoa_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph a
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph b
-Subparagraph (1)
-Publisher SEC

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

+ Details

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

- Definition

Description of interest rate for borrowing under credit facility. Includes, but is not limited to, terms and method for determining interest rate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Subparagraph (a)
-Paragraph 4
-SubTopic 20
-Topic 860
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

+ Details

Name:	us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types.

+ References

+ Details

Name:	us-gaap_PrincipalAmountOutstandingOnLoansManagedAndSecuritized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=esoa_UnitedBankIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SHORT-TERM AND LONG-TERM DEBT - Additional information (Details)			1 Months Ended	9 Months Ended	12 Months Ended
	Jun. 28, 2025 USD ($)	Apr. 27, 2020 USD ($)	Apr. 30, 2023 USD ($)	Jun. 30, 2025 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2024 USD ($)	Apr. 07, 2020 USD ($)
SHORT-TERM DEBT
Line of credit				$ 23,878,282		$ 25,089,446
Borrowed on line of credit				$ 11,573,976		$ 4,500,000
Ratio to be maintained by borrower for maximum senior funded debt to EBDITA				3.5
PPP Loans
SHORT-TERM DEBT
Lender aggregate principal amount							$ 13,100,000
Unanimously voted to return loans		$ 3,300,000
Amount of PPP loans to fund operations		$ 9,800,000
PPP loans received					$ 9,800,000
Short-term borrowings due to accrued interest			$ 9,800,000
United Bank, Inc. \| Revolving credit facility
SHORT-TERM DEBT
Line of credit	$ 30,000,000
Interest rate on the line of credit description	“Wall Street Journal” Prime Rate
Interest rate on line of credit	4.99%
Minimum tangible net worth				$ 28,000,000
Minimum traditional debt service coverage ratio				1.50x
Minimum current ratio				1.20x
Maximum debt to tangible net worth ratio				2.75x