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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
CONSOLIDATED STATEMENTS OF CASH FLOWS |  |
Proceeds from issuance of units, transaction costs | $ 1,859 | $ 1,739
Proceeds from at-the-market equity program, transaction costs | $ 92 | $ 21

X
- Definition The amount of transaction costs incurred upon issuance of shares under at-the-market equity program. + References No definition available. + Details
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Namespace Prefix: | elbm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of transaction costs incurred upon issuance of units. + References No definition available. + Details
Name: | elbm_TransactionCostsIssuanceOfUnits
Namespace Prefix: | elbm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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