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Note 8 - Commitments And Contingencies (Details Textual) | Dec. 05, 2022 USD ($)
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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

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- 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