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Disposal Group Held for Sale - fair value measurement (Details) - Canadian Cobalt Camp $ in Thousands | Dec. 31, 2022 CAD ($)
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Disposal Group Held for Sale |
Consideration for disposal | $ 1,000
Non-recurring fair value measurement | Level 2 |
Disposal Group Held for Sale |
Consideration for disposal | $ 1,000

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- Definition Represents the consideration for disposal of assets held for sale. + References No definition available. + Details
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Namespace Prefix: | elbm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | elbm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis=elbm_CanadianCobaltCampMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_MeasurementAxis=ifrs-full_NonrecurringFairValueMeasurementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level2OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |