XML 83 R55.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 7 - Revenue (Details Textual) $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jun. 20, 2026 | Dec. 31, 2025
Income Taxes Paid in Kind with Oil |  | $ 32,776 | $ 26,257 | $ 20,103 |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | GABON |  |  |  |  |  |
Number of Major Customers |  | 1 |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | GABON | Customer One [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  | 100.00% |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | EGYPT |  |  |  |  |  |
Number of Major Customers |  | 2 |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | EGYPT | Customer One [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  | 62.00% |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | EGYPT | Customer Two [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  | 38.00% |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | CANADA |  |  |  |  |  |
Number of Major Customers |  | 3 |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | CANADA | Customer One [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  | 52.00% |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | CANADA | Customer Two [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  | 37.00% |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | CANADA | Customer Three [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  | 7.00% |  |  |  |
Egyptian General Petroleum Corporation (EGPC), Merged Concession Agreement [Member] |  |  |  |  |  |
Ownership Percentage |  | 50.00% |  |  |  |
Egyptian General Petroleum Corporation (EGPC), South Ghazalat Concession Agreement [Member] |  |  |  |  |  |
Ownership Percentage |  |  |  |  |  | 50.00%
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] | Foreign Tax Authority [Member] | Tax Administration of Gabon [Member] |  |  |  |  |  |
Income Taxes Paid in Kind with Oil | $ 26,300 | $ 32,800 |  |  |  |
Accrued Income Taxes |  | $ 18,900 |  |  |  |
Income Taxes Receivable | $ 2,800 |  | $ 2,800 |  |  |
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] | Vaalco Energy Inc. and Other Etame Marin Block Owners [Member] |  |  |  |  |  |
Working Interest Ownership, Percentage |  | 7.50% |  |  |  |
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] | Vaalco Energy Inc. and Other Etame Marin Block Owners [Member] | Forecast [Member] |  |  |  |  |  |
Working Interest Ownership, Percentage |  |  |  |  | 10.00% |
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] | Government of Gabon [Member] |  |  |  |  |  |
Monthly Royalty Rate, Based on Production at the Published Price |  | 13.00% |  |  |  |

X
- Definition Amount of income taxes paid in kind with oil. + References No definition available. + Details
Name: | egy_IncomeTaxesPaidInKindWithOil
Namespace Prefix: | egy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage of monthly royalties based on production at the published price. + References No definition available. + Details
Name: | egy_MonthlyRoyaltyRateBasedOnProductionAtThePublishedPrice
Namespace Prefix: | egy_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of major customers. + References No definition available. + Details
Name: | egy_NumberOfMajorCustomers
Namespace Prefix: | egy_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Information on the percentage of ownership. + References No definition available. + Details
Name: | egy_OwnershipPercentage
Namespace Prefix: | egy_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of working interest ownership. + References No definition available. + Details
Name: | egy_WorkingInterestOwnershipPercentage
Namespace Prefix: | egy_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)(b)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
Name: | us-gaap_AccruedIncomeTaxes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-21 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-20 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-18 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-20 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_IncomeTaxReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_GA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=egy_CustomerOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_EG
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=egy_CustomerTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=egy_CustomerThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=egy_EgyptianGeneralPetroleumCorporationEGPCMergedConcessionAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=egy_EgyptianGeneralPetroleumCorporationEGPCSouthGhazalatConcessionAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=egy_ProductionSharingContractSeptember172018ThroughSeptember162028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=egy_TaxAdministrationOfGabonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=egy_VaalcoEnergyIncAndOtherEtameMarinBlockOwnersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=egy_GovernmentOfGabonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |