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SCHEDULE OF ASSET RETIREMENT OBLIGATIONS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Asset Retirement Obligations |  |
Balance at January 1 | $ 1,425 | $ 1,398
Additional obligations recognized | 515 | 263
Change in discount rates | (54) | (268)
Accretion | 80 | 32
Balance at December 31 | $ 1,966 | $ 1,425

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- Definition Accretions. + References No definition available. + Details
Name: | KGEI_Accretions
Namespace Prefix: | KGEI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Additional obligations recognized. + References No definition available. + Details
Name: | KGEI_AdditionalObligationRecognized
Namespace Prefix: | KGEI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References No definition available. + Details
Name: | KGEI_AssetRetirementObligationNonCurrent
Namespace Prefix: | KGEI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Change in discount rates. + References No definition available. + Details
Name: | KGEI_ChangesInDiscountRates
Namespace Prefix: | KGEI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | KGEI_DisclosureAssetRetirementObligationsAroAbstract
Namespace Prefix: | KGEI_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration