XML 69 R60.htm IDEA: XBRL DOCUMENT v3.22.1

SCHEDULE OF INVESTMENT IN THE MARKETABLE EQUITY SECURITIES (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Fair value of marketable equity securities	$ 272	$ 191
Anfield Energy [Member]
Number of shares owned	2,421,180	2,421,180
Quoted market price	$ 0.11217	$ 0.07874
Fair value of marketable equity securities	$ 271,572	$ 190,641

X

- Definition

Quoted market price on marketable securities.

+ References

No definition available.

+ Details

Name:	USEG_QuotedMarketPrice
Namespace Prefix:	USEG_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Balance held at close of period in number of shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column B))
-URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010

+ Details

Name:	us-gaap_InvestmentOwnedBalanceShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of investment in marketable security, classified as current.

+ References

No definition available.

+ Details

Name:	us-gaap_MarketableSecuritiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=USEG_AnfieldEnergyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: