XML 45 R25.htm IDEA: XBRL DOCUMENT
v3.23.3

BASIS OF PRESENTATION (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2023
BASIS OF PRESENTATION |
Schedule of Functional Currency of Company and its Subsidiaries | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Country of |  | Effective |  | Functional
​ | ​ | Incorporation | ​ | Interest | ​ | Currency
​ | ​ | ​ | ​ | ​ | ​ | ​
ESSA Pharma Inc. |  | Canada |  | — |  | US Dollar
ESSA Pharmaceuticals Corp. |  | USA |  | 100 | % | US Dollar

X
- Definition Tabular disclosure of the functional currency and effective interest in subsidiaries. + References No definition available. + Details
Name: | epix_ScheduleOfFunctionalCurrencyAndEffectiveInterestInSubsidiariesTableTextBlock
Namespace Prefix: | epix_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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