XML 52 R40.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Note 5 - Oil and Natural Gas Production Activities (Details Textual) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) $ / item | Mar. 31, 2023 USD ($) | Dec. 31, 2023
Oil and Gas Property, Ceiling Test, Discount Rate |  |  | 10.00%
Impairment, Oil and Gas, Property with Unproved and Proved Reserves | $ | $ 5,419 | $ 0 |
Crude Oil [Member] |  |  |
Oil and Gas, Average Sale Price Per Unit (in USD per Per Share) | 77.48 |  |
Natural Gas and Natural Gas Liquids (NGL) [Member] |  |  |
Oil and Gas, Average Sale Price Per Unit (in USD per Per Share) | 2.45 |  |

X
- Definition Average sale price per unit of oil or gas produced. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1204 -Paragraph b -Subparagraph (1) -Publisher SEC + Details
Name: | srt_AverageSalesPrices
Namespace Prefix: | srt_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of impairment loss for oil and gas properties with proved and unproved reserves in oil- and gas-producing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 + Details
Name: | us-gaap_ImpairmentOfOilAndGasProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the discount rate used in a ceiling test for oil and gas property. + References No definition available. + Details
Name: | useg_OilAndGasPropertyCeilingTestDiscountRate
Namespace Prefix: | useg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_EnergyAxis=srt_CrudeOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_EnergyAxis=srt_NaturalGasPerThousandCubicFeetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |