XML 74 R51.htm IDEA: XBRL DOCUMENT v3.22.2

Note 8 - Derivatives and Fair Value - Unexpired Barrels (Details)	6 Months Ended
	Jun. 30, 2022 $ / bbl bbl
Commodity Contract One, April 2022 Through June 2022 [Member]
Barrels (Barrel of Oil) | bbl	125,000
Weighted average price (in USD per Barrel of Oil)	76.53
Commodity Contract Two, April 2022 Through June 2022 [Member]
Barrels (Barrel of Oil) | bbl	109,000
Commodity Contract Two, April 2022 Through June 2022 [Member] | Long [Member]
Weighted average put price (in USD per Barrel of Oil)	70.00
Commodity Contract Two, April 2022 Through June 2022 [Member] | Short [Member]
Weighted average call price (in USD per Barrel of Oil)	122.00

X

- Definition

The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeCapPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFloorPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Average fixed price related to the group of price risk swap derivatives.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeSwapTypeAverageFixedPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=egy_CommodityContractOneApril2022ThroughJune2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=egy_CommodityContractTwoApril2022ThroughJune2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PositionAxis=us-gaap_LongMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: