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Note 23 -Related Party Transactions (Details Textual) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Statement Line Items [Line Items] |  |  |
Key management personnel compensation, share-based payment | $ 1,422 | $ 1,258 | $ 620
Current payables to related parties | $ 161 | $ 78 | $ 389

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- 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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- Definition The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2024-01-01 -Paragraph 17 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2024-en-r&anchor=para_17_e&doctype=Standard -URIDate 2024-03-27 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of current payables due to related parties. [Refer: Total for all related parties [member]; Payables to related parties] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78&doctype=Standard -URIDate 2024-03-27 + Details
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