XML 108 R80.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 16 - Shareholders' Equity - Schedule of Equity Securities Repurchased (Details) - Treasury Stock, Common [Member] - USD ($) | 1 Months Ended | 2 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2023 | Nov. 30, 2023 | Oct. 31, 2023 | Sep. 30, 2023 | Aug. 31, 2023 | Jul. 31, 2023 | Jun. 30, 2023 | May 31, 2023 | Apr. 30, 2023 | Mar. 31, 2023 | Jan. 31, 2023 | Feb. 28, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Number of Shares Purchased (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 5,421,000 | 691,000 | (0)
Publicly Announced Programs (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 5,421,000 | 691,000 | (0)
Shares Purchased as Part of Publicly Announced Programs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Shares Purchased (in shares) | 449,839 | 472,141 | 491,869 | 462,300 | 435,342 | 505,720 | 494,164 | 362,843 | 303,969 | 303,176 | 350,832 | 326,992 | 4,959,187 |  |
Average Price Paid per Share (in dollars per share) | $ 4.45 | $ 4.24 | $ 4.07 | $ 4.31 | $ 4.61 | $ 3.96 | $ 4.05 | $ 4.14 | $ 4.94 | $ 4.97 | $ 4.29 | $ 4.61 |  |  |
Publicly Announced Programs (in shares) | 449,839 | 472,141 | 491,869 | 462,300 | 435,342 | 505,720 | 494,164 | 362,843 | 303,969 | 303,176 | 350,832 | 326,992 | 4,959,187 |  |
Authorized Amount | $ 5,515,237 | $ 7,515,171 | $ 9,515,101 | $ 11,514,870 | $ 13,505,242 | $ 15,504,180 | $ 17,504,007 | $ 19,502,740 | $ 21,003,245 | $ 22,503,206 | $ 25,502,669 | $ 24,003,172 | $ 5,515,237 |  |

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481549/505-30-45-1 + Details
Name: | us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 3: 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(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_TreasuryStockSharesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_TreasuryStockCommonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=egy_SharesPurchasedAsPartOfPubliclyAnnouncedProgramsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |