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v3.23.1

Related Party Transactions (Details Narrative) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($)
Term Loan [Member] |
Related Party Transaction [Line Items] |
Total Debt | $ 1.1
Energy Evolution Master Fund Ltd [Member] |
Related Party Transaction [Line Items] |
Percentage of Ownership | 2100.00%
Energy Evolution Ltd [Member] |
Related Party Transaction [Line Items] |
Percentage of Ownership | 1700.00%

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- Definition The element represents notes payable current non current. + References No definition available. + Details
Name: | empr_NotesPayableCurrentNonCurrent
Namespace Prefix: | empr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The element represents percentage of ownership. + References No definition available. + Details
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Namespace Prefix: | empr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=empr_EnergyEvolutionMasterFundLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=empr_EnergyEvolutionLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |