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Events Occurring After the Reporting Date (Details) $ in Millions	Jul. 03, 2024 USD ($)
Non-Adjusting Events After Reporting Period [Member]
Events Occurring After the Reporting Date [Line Items]
Funding facility amount	$ 2

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

No definition available.

+ Details

Name:	imrn_LineOfCreditFacilityMaximumBorrowingsCapacity
Namespace Prefix:	imrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=imrn_NonAdjustingEventsAfterReportingPeriodMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: