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Note 8 - Commitments And Contingencies (Details Textual)	Dec. 05, 2022 USD ($)
Price Per Barrel Of Oil	$ 65
Natural Gas Price Per Cubic Foot	$ 3.25

X

- Definition

The average cost per cubic foot for natural gas.

+ References

No definition available.

+ Details

Name:	useg_NaturalGasPricePerCubicFoot
Namespace Prefix:	useg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The average price per barrel of oil.

+ References

No definition available.

+ Details

Name:	useg_PricePerBarrelOfOil
Namespace Prefix:	useg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant