XML 60 R35.htm IDEA: XBRL DOCUMENT v3.19.3

Revenue Recognition - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Total	$ 1,561	$ 1,555	[1]
Oil [Member]
Total	1,415	1,230	[1]
Natural Gas and Liquids [Member]
Total	146	325	[1]
North Dakota [Member]
Total	573	883
North Dakota [Member] | Oil [Member]
Total	522	795
North Dakota [Member] | Natural Gas and Liquids [Member]
Total	51	88
Texas [Member]
Total	988	512
Texas [Member] | Oil [Member]
Total	893	435
Texas [Member] | Natural Gas and Liquids [Member]
Total	95	77
Louisiana [Member]
Total		160
Louisiana [Member] | Oil [Member]
Total
Louisiana [Member] | Natural Gas and Liquids [Member]
Total		$ 160
[1] The condensed consolidated statement of operations for the three months ended March 31, 2018 was restated to include the loss on marketable equity securities in non-operating income rather than other comprehensive income as originally reported.

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_ProductOrServiceAxis=USEG_OilMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_NaturalGasMidstreamMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_ND
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_TX
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_LA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: