XML 73 R21.htm IDEA: XBRL DOCUMENT
v3.25.2

Change in NonCash Operating Working Capital | 9 Months Ended
--- | ---
Jun. 30, 2025
Change in NonCash Operating Working Capital |
Change in Non-Cash Operating Working Capital |
15. | Change in Non-Cash Operating Working Capital
|  | June 30, 2025 |  |  | June 30, 2024 |
Trade and other receivables |  |  | (7,810 | ) |  |  | 2,452 |
Inventories |  |  | (2,475 | ) |  |  | (4,251 | )
Prepaid expenses and other |  |  | (2,097 | ) |  |  | (533 | )
Trade and other payables |  |  | (306 | ) |  |  | 49 |
|  |  | (12,688 | ) |  |  | (2,283 | )

X
- References No definition available. + Details
Name: | elva_DisclosureChangeInNoncashOperatingWorkingCapitalAbstract
Namespace Prefix: | elva_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The element represents disclosure of change in non cash operating working capitals explanatory. + References No definition available. + Details
Name: | elva_DisclosureOfChangeInNonCashOperatingWorkingCapitalsExplanatory
Namespace Prefix: | elva_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration