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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: