The amount of accretion of borrowings.

No definition available.

Name:	elbm_AccretionOfBorrowings
Namespace Prefix:	elbm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of accretion of government grants.

+ References

No definition available.

+ Details

Name:	elbm_AccretionOfGovernmentGrants
Namespace Prefix:	elbm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of accretion of government loan and grant.

+ References

No definition available.

+ Details

Name:	elbm_AccretionOfGovernmentLoanAndGrant
Namespace Prefix:	elbm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of allocation of borrowings to government grant.

+ References

No definition available.

+ Details

Name:	elbm_AllocationOfBorrowingsToGovernmentGrant
Namespace Prefix:	elbm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of government loan and government grant.

+ References

No definition available.

+ Details

Name:	elbm_GovernmentLoanAndGovernmentGrant
Namespace Prefix:	elbm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	elbm_Statement1LineItems
Namespace Prefix:	elbm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_Borrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of assistance by government in the form of transfers of resources to an entity in return for past or future compliance with certain conditions relating to the operating activities of the entity, recognised as deferred income. They exclude those forms of government assistance that cannot reasonably have a value placed upon them and transactions with government that cannot be distinguished from the normal trading transactions of the entity. [Refer: Deferred income other than contract liabilities; Government [member]]

+ References

+ Details

Name:	ifrs-full_GovernmentGrants
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from borrowings obtained. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 17
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 17
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17_d&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of income recognised in relation to government grants. [Refer: Government grants]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 20
-IssueDate 2024-01-01
-Paragraph 39
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2024-en-r&anchor=para_39_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_RevenueFromGovernmentGrants
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	ifrs-full_CounterpartiesAxis=elbm_FederalEconomicDevelopmentForNorthernOntarioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=elbm_GovernmentLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 10 - Long-term Government Loan Payable and Government Grant - Balances of Government Loan and Grant (Details) - CAD ($) $ in Thousands	1 Months Ended						12 Months Ended
	Aug. 31, 2024	Apr. 30, 2024	Feb. 29, 2024	Feb. 28, 2023	Apr. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement Line Items [Line Items]
Beginning balance, grant							$ 849		$ 1,121
Beginning balance								$ 5,148	4,898
Accretion, grant							0	(272)
Accretion							578	0
Proceeds loan							0	(48,036)	0
Allocation to government grant, grant							2,275
Ending balance, grant							3,124	849
Ending balance							10,948		5,148
Federal Economic Development for Northern Ontario [member]
Statement Line Items [Line Items]
Beginning balance, grant							5,000
Proceeds loan	$ 1,000	$ 2,000	$ 2,267	$ 250
Proceeds loan							(45)
Ending balance, grant								5,000
Government loan [member]
Statement Line Items [Line Items]
Beginning balance, loan							4,299	3,777
Accretion, loan							578	272
Allocation to government grant, loan									(2,275)
Ending balance, loan							7,824	$ 4,299	$ 3,777
Government loan [member] \| Federal Economic Development for Northern Ontario [member]
Statement Line Items [Line Items]
Proceeds loan			$ 2,267	$ 250	$ 1,000	$ 2,000
Proceeds loan							(45)
Ending balance, loan							$ 5,267