The element represents description of working and revenue interest.

No definition available.

Name:	empr_DescriptionOfWorkingAndRevenueInterest
Namespace Prefix:	empr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents revolver commitment amount.

+ References

No definition available.

+ Details

Name:	empr_RevolverCommitmentAmount
Namespace Prefix:	empr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Earliest date the outstanding debt instruments are required to be repaid, in YYYY-MM-DD format.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

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+ Details

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

- Definition

Description of the nature and terms of commitment.

+ References

No definition available.

+ Details

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

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

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+ Details

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

No definition available.

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=empr_EnergyEvolutionMasteFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=empr_RevolverLoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=empr_CrossFirstBankLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=empr_JointDevelopmentAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=empr_PetroleumAndIndependentExplorationLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=empr_AugustSixTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt and Note Payable - Related Party (Details Narrative) - USD ($)				12 Months Ended
	Dec. 29, 2023	Sep. 19, 2023	Jul. 07, 2021	Dec. 30, 2023	Dec. 31, 2023	Aug. 01, 2023
Short-Term Debt [Line Items]
Debt description	entered into a Revolver Loan Agreement with Equity Bank (the "Credit Facility”). Pursuant to the Credit Facility (a) the initial revolver commitment amount is $10,000,000; (b) the maximum revolver commitment amount is $15,000,000; (c) commencing on January 31, 2024, and occurring on the last day of each calendar month thereafter, the revolver commitment amount is reduced by $150,000; (d) commencing on March 31, 2024, there are scheduled semiannual collateral borrowing base redeterminations each year on March 31 and September 30; (e) the final maturity date is December 29, 2026; (f) outstanding borrowings bear interest at a rate equal to the prime rate of interest plus 1.50%, and in no event lower than 8.50%; (g) a quarterly commitment fee is based on the unused portion of the commitments; and (h) Borrowers have the right to prepay loans under the Credit Facility at any time without a prepayment penalty.
Loan from related party					$ 2,000,000
Bridge Loan [Member] \| Energy Evolution Maste Fund [Member]
Short-Term Debt [Line Items]
Loan amount		$ 5,000,000.0
Revolver Loan Agreement [Member] \| Cross First Bank Loan [Member]
Short-Term Debt [Line Items]
Maximum agreement amount			$ 20,000,000
maturity date			Aug. 09, 2023
Revolver commitment amount			$ 5,180,000
Joint Development Agreement [Member] \| Petroleum and Independent Exploration L L C [Member] \| August Six Two Thousand Twenty [Member]
Short-Term Debt [Line Items]
Loan from related party						$ 2,000,000
Interest rate						6.00%
Description of working and revenue interest				In addition, the Company assigned 85% working and revenue interest to PIE in the designated wells which will be applied to repayment of the loan. As of December 31, 2023, $1,060,004 has been advanced from the PIE loan.