XML 132 R80.htm IDEA: XBRL DOCUMENT v3.25.2

Subsequent events (Details Narrative)	Jun. 30, 2025 $ / shares shares	Dec. 31, 2024 $ / shares
Statement [Line Items]
Exercise price | (per share)	$ 3.05	$ 5.00
Warrants
Statement [Line Items]
Number of shares outstanding	912,841
Exercised	845,000
Exercise price | $ / shares	$ 5.30

X

- References

No definition available.

+ Details

Name:	elva_NumberOfSharesExercised
Namespace Prefix:	elva_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	elva_StatementLineItems
Namespace Prefix:	elva_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The exercise price of outstanding share options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ExercisePriceOfOutstandingShareOptions2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NumberOfSharesOutstanding
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_TypesOfAntidilutiveInstrumentsAxis=ifrs-full_WarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: