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STATEMENTS OF CONSOLIDATED OPERATIONS (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Revenues: | |||
| Oil and gas sales | $ 127,691us-gaap_OilAndGasSalesRevenue | $ 169,277us-gaap_OilAndGasSalesRevenue | $ 195,287us-gaap_OilAndGasSalesRevenue |
| Operating costs and expenses: | |||
| Production expense | 31,718us-gaap_OilAndGasProductionExpense | 36,615us-gaap_OilAndGasProductionExpense | 26,724us-gaap_OilAndGasProductionExpense |
| Exploration expense | 15,358us-gaap_ExplorationExpense | 23,928us-gaap_ExplorationExpense | 41,037us-gaap_ExplorationExpense |
| Depreciation, depletion and amortization | 20,086us-gaap_DepreciationDepletionAndAmortization | 16,929us-gaap_DepreciationDepletionAndAmortization | 19,913us-gaap_DepreciationDepletionAndAmortization |
| General and administrative expense | 14,194us-gaap_GeneralAndAdministrativeExpense | 11,254us-gaap_GeneralAndAdministrativeExpense | 11,779us-gaap_GeneralAndAdministrativeExpense |
| Bad debt and other expenses | 2,400egy_ProvisionForDoubtfulAccountsAndOtherExpenses | 3,326egy_ProvisionForDoubtfulAccountsAndOtherExpenses | 1,621egy_ProvisionForDoubtfulAccountsAndOtherExpenses |
| Impairment of proved properties | 98,341us-gaap_AssetImpairmentCharges | 7,620us-gaap_AssetImpairmentCharges | |
| Total operating costs and expenses | 182,097us-gaap_CostsAndExpenses | 92,052us-gaap_CostsAndExpenses | 108,694us-gaap_CostsAndExpenses |
| Operating income (loss) | (54,406)us-gaap_OperatingIncomeLoss | 77,225us-gaap_OperatingIncomeLoss | 86,593us-gaap_OperatingIncomeLoss |
| Other income (expense): | |||
| Interest income | 75us-gaap_InvestmentIncomeInterest | 73us-gaap_InvestmentIncomeInterest | 145us-gaap_InvestmentIncomeInterest |
| Other, net | (733)us-gaap_OtherNonoperatingIncomeExpense | (111)us-gaap_OtherNonoperatingIncomeExpense | 414us-gaap_OtherNonoperatingIncomeExpense |
| Total other income (expense) | (658)us-gaap_NonoperatingIncomeExpense | (38)us-gaap_NonoperatingIncomeExpense | 559us-gaap_NonoperatingIncomeExpense |
| Income (loss) before income taxes | (55,064)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 77,187us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 87,152us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |
| Income tax expense | 22,486us-gaap_IncomeTaxExpenseBenefit | 34,115us-gaap_IncomeTaxExpenseBenefit | 81,813us-gaap_IncomeTaxExpenseBenefit |
| Net income (loss) | (77,550)us-gaap_ProfitLoss | 43,072us-gaap_ProfitLoss | 5,339us-gaap_ProfitLoss |
| Less net income attributable to noncontrolling interest | (4,708)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | ||
| Net income (loss) attributable to VAALCO Energy, Inc. | $ (77,550)us-gaap_NetIncomeLoss | $ 43,072us-gaap_NetIncomeLoss | $ 631us-gaap_NetIncomeLoss |
| Basic net income (loss) per share atributable to VAALCO Energy, Inc. common shareholders | $ (1.36)us-gaap_EarningsPerShareBasic | $ 0.75us-gaap_EarningsPerShareBasic | $ 0.01us-gaap_EarningsPerShareBasic |
| Diluted net income (loss) per share attributable to VAALCO Energy, Inc. common shareholders | $ (1.36)us-gaap_EarningsPerShareDiluted | $ 0.74us-gaap_EarningsPerShareDiluted | $ 0.01us-gaap_EarningsPerShareDiluted |
| Basic weighted average shares outstanding | 57,229,435us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 57,298,910us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 57,673,342us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |
| Diluted weighted average shares outstanding | 57,229,435us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 57,925,001us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 58,832,059us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |
| X | ||||||||||
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- Definition
Provision for doubtful accounts and other expenses. No definition available.
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| X | ||||||||||
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- Definition
Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total costs of sales and operating expenses for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or "G&G" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Costs incurred to operate and maintain an entities' wells and related equipment and facilities, including depreciation and applicable operating costs of support equipment and facilities and other costs of operating and maintaining those wells and related equipment and facilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Revenue from the sale of oil and gas during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition
The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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