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The following represents Empire’s net settlements received (paid) related to derivatives for the periods presented: (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Investments, All Other Investments [Abstract] |  |  |  |
Net cash receipts from (payments on) derivatives | $ 281,530 | $ (45,855) | $ 18,200 | $ (87,042)

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

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