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Commodity Derivative Financial Instruments (Details 1) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Oil Derivatives [Member] |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Net cash payments on derivative |  | $ (77,631) | $ (41,187) | $ (160,891)

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- References No definition available. + Details
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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

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