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v3.23.3

Schedule of net cash payment related derivatives (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Oil Derivatives [Member] |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Net cash payments on derivative | $ (45,855) | $ (83,832) | $ (87,042) | $ (244,723)

X
- Definition The element represents net cash receipts from payments on derivatives. + References No definition available. + Details
Name: | empr_NetCashReceiptsFromPaymentsOnDerivatives
Namespace Prefix: | empr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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_CreditDerivativesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CreditDerivativesByContractTypeAxis=empr_OilDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |