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v3.23.3

PREPAIDS | 12 Months Ended
--- | ---
Sep. 30, 2023
PREPAIDS |
PREPAIDS | 5. PREPAIDS ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | September 30, | ​ | ​ | September 30,
​ |  | 2023 |  | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​
Prepaid insurance | ​ | $ | 24,839 |  | $ | 1,611,516
Prepaid CMC and clinical expenses and deposits | ​ |  | 181,835 |  | ​ | 181,835
Other deposits and prepaid expenses | ​ |  | 378,746 |  | ​ | 22,275
​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, end of year | ​ | $ | 585,420 |  | $ | 1,815,626
​

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- Definition Prepaid Expenses [Text Block] + References No definition available. + Details
Name: | epix_PrepaidExpensesTextBlock
Namespace Prefix: | epix_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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