VAALCO Energy, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Commitments and Contingencies (Details Textual)

Note 10 - Commitments and Contingencies (Details Textual)							3 Months Ended		6 Months Ended		12 Months Ended			36 Months Ended
	Aug. 09, 2023 $ / shares	May 09, 2023 $ / shares	Nov. 01, 2022 USD ($)	Aug. 20, 2022 USD ($)	Feb. 01, 2022 USD ($)	Jan. 20, 2022 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2016	Dec. 31, 2021	Feb. 01, 2026 USD ($)	Feb. 01, 2025 USD ($)	Oct. 13, 2022 USD ($)	Jan. 19, 2022 USD ($)	Nov. 30, 2021 USD ($)	Sep. 30, 2020
Estimated Abandonment Costs																			$ 47,800,000
Abandonment Funding							$ 6,268,000		$ 6,268,000	$ 20,091,000	$ 20,586,000
Payments for Abandonment Funding								$ 15,600,000				$ 0
Dividends Payable, Amount Per Share (in dollars per share) \| $ / shares		$ 0.0625
Increase (Decrease) in Other Receivables									1,868,000	$ 943,000
Dividends Payable, Date Declared		May 09, 2023
Dividends Payable, Date to be Paid		Jun. 23, 2023
Parent Company [Member]
Contractual Obligation, Total							26,800,000		26,800,000
Parent Company [Member] \| Accrued Liabilities and Other [Member]
Contractual Obligation, Total							9,400,000		9,400,000
Parent Company [Member] \| Other Long-term Liabilities [Member]
Contractual Obligation, Total							17,500,000		17,500,000
TransGlobe [Member]
Other Receivables							50,300,000		50,300,000								$ 67,500,000	$ 67,500,000
Egyptian General Petroleum Corporation (EGPC) [Member]
Contractual Obligation, Total							150,000,000		$ 150,000,000
Increase (Decrease) in Other Receivables											$ (10,000,000.0)
Development Timeframe (Year)									5 years
Egyptian General Petroleum Corporation (EGPC) [Member] \| Minimum [Member]
Contractual Obligation, Total							50,000,000.0		$ 50,000,000.0
Sogara [Member]
Other Receivables							19,700,000		19,700,000
Share Buyback Program [Member]
Stock Repurchase Program, Authorized Amount			$ 30,000,000
Stock Repurchase Program, Period in Force (Month)			20 months
Subsequent Event [Member]
Dividends Payable, Amount Per Share (in dollars per share) \| $ / shares	$ 0.0625
Dividends Payable, Date Declared	Aug. 09, 2023
Dividends Payable, Date to be Paid	Sep. 22, 2023
Foreign Tax Authority [Member] \| Tax Administration of Gabon [Member]
Income Tax Examination, Year under Examination													2013 2014	2015 2016
FPSO Charter [Member]
Estimated Abandonment Costs							5,600,000		5,600,000
Number of Charter Extension Periods																				2
Charter Day Rates				$ 150,000
Other Demobilization Fees, Gross				15,300,000
Other Demobilization Fees, Net				$ 8,900,000			5,600,000
FPSO Charter [Member] \| Vaalco Energy Inc. and Other Etame Marin Block Owners [Member]
Estimated Abandonment Costs							$ 9,600,000		$ 9,600,000
Etame Marine Block [Member]
Abandonment Funding								6,300,000
Payments for Abandonment Funding								15,600,000
Etame Marine Block [Member]
Estimated Abandonment Costs																			$ 81,300,000
Abandonment Funding								10,700,000
Payments for Abandonment Funding								$ 26,600,000
Egyptian General Petroleum Corporation (EGPC) [Member] \| Merged Concession Agreement [Member]
Payments for Merger Related Costs, First Modernization Payment						$ 15,000,000.0
Payments for Merger Related Costs, Signature Bonus						$ 1,000,000.0
Payments for Merger Related Costs, Second Modernization Payment					$ 10,000,000.0
Egyptian General Petroleum Corporation (EGPC) [Member] \| Merged Concession Agreement [Member] \| Forecast [Member]
Contractual Obligation, Total															$ 10,000,000.0	$ 10,000,000.0