XML 32 R46.htm IDEA: XBRL DOCUMENT
v2.4.0.8

SHAREHOLDERS' EQUITY, Employee Stock Ownership Plan (Details) (1989 Employee Stock Ownership Plan [Member], USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 H | Dec. 31, 2012 | Dec. 31, 2011
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |
Term of eligibility | 1 year |  |
Minimum hours required in the term of service for eligibility | 1,000 |  |
Initial vesting percentage (in hundredths) | 20.00% |  |
Vesting period | 3 years |  |
Service period requirement to be Fully Vested | 8 years |  |
Annual vesting percentage (in hundredths) | 20.00% |  |
Maximum employee's total compensation paid as basis for contribution into ESOP | $ 255,000 | $ 250,000 | $ 245,000
Estimated fair value of shares not vested in ESOP | 14,000 |  |
Shares contributed to ESOP (in shares) | 53,276 | 161,624 | 98,958
Share price of shares included in ESOP (in dollars per share) | $ 3.76 | $ 1.50 | $ 2.91
ESOP contribution expense | $ 200,000 | $ 242,000 | $ 287,000
Minimum [Member] |  |  |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |
ESOP funding percentages (in hundredths) | 10.00% |  |
Maximum [Member] |  |  |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |
ESOP funding percentages (in hundredths) | 15.00% |  |

X
- Definition The annual vesting percentage after minimum years of service for the Employee Stock Ownership Plan (ESOP). + References No definition available. + Details
Name: | useg_EmployeeStockOwnershipPlanEsopAnnualVestingPercentage
Namespace Prefix: | useg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The vesting percentage in the required service period in the Employee Stock Ownership Plan (ESOP). + References No definition available. + Details
Name: | useg_EmployeeStockOwnershipPlanEsopInitialVestingPercentage
Namespace Prefix: | useg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The minimum number of hours that must be worked in the minimum term for eligibility in the ESOP. + References No definition available. + Details
Name: | useg_EmployeeStockOwnershipPlanEsopMinimumHoursRequiredInTermOfServiceForEligibility
Namespace Prefix: | useg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The service period requirement for vesting schedule. + References No definition available. + Details
Name: | useg_EmployeeStockOwnershipPlanEsopServicePeriodRequirementForVestingSchedule
Namespace Prefix: | useg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The service period requirement to be fully vested. + References No definition available. + Details
Name: | useg_EmployeeStockOwnershipPlanEsopServicePeriodRequirementToBeFullyVested
Namespace Prefix: | useg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of time in which the employee must be in services before becoming eligible for the Employee Stock Ownership Plan (ESOP). + References No definition available. + Details
Name: | useg_EmployeeStockOwnershipPlanEsopTermOfEligibility
Namespace Prefix: | useg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum amount of employee's total compensation paid, which is the basis for computing how much of the total annual funding is contributed into his or her personal account. + References No definition available. + Details
Name: | useg_EmployeeStockOwnershipPlanEsopTotalCompensationPaidAsBasisForContributionIntoEsopMaximum
Namespace Prefix: | useg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The ESOP funding percentages during the period. + References No definition available. + Details
Name: | useg_EsopFundingPercentages
Namespace Prefix: | useg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of plan compensation cost recognized during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The fair value of shares held by the ESOP as of the balance sheet date in which no ESOP participant has a vested interest and no lender has a claim. The fair value of an ESOP share is the amount the seller could reasonably expect to receive for it in a current sale between a willing buyer and a willing seller, that is, other than in a forced or liquidation sale, which would be the market price of the stock if it is publicly traded. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 + Details
Name: | us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average purchase price of capital shares purchased through an employee stock ownership plan. + References No definition available. + Details
Name: | us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration