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Maturities of lease liabilities are as follows as of March 31, 2023: (Details)	Mar. 31, 2023 USD ($)
Leases [Abstract]
2024	$ 323,959
2025	311,849
2026	187,852
2027	37,200
2028	3,100
Total lease payments	863,960
Less imputed interest	(87,133)
Total lease obligation	$ 776,827

X

- Definition

The element represents capital leases future minimum payments due in seven years.

+ References

No definition available.

+ Details

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Namespace Prefix:	empr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The element represents capital leases future minimum payments due in six years.

+ References

No definition available.

+ Details

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Namespace Prefix:	empr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

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Balance Type:	credit
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X

- Definition

Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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X

- Definition

Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount necessary to reduce net minimum lease payments to present value for capital leases.

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No definition available.

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