XML 21 R11.htm IDEA: XBRL DOCUMENT
v3.23.1

PREPAIDS | 6 Months Ended
--- | ---
Mar. 31, 2023
PREPAIDS |
PREPAIDS | 5. PREPAIDS ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | March 31, | ​ | ​ | September 30,
​ |  | 2023 |  | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​
Prepaid insurance | ​ | $ | 623,031 |  | $ | 1,611,516
Prepaid CMC and clinical expenses and deposits | ​ |  | 181,835 |  | ​ | 181,835
Other deposits and prepaid expenses | ​ |  | 256,487 |  | ​ | 22,275
​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, end of period | ​ | $ | 1,061,353 |  | $ | 1,815,626
​

X
- 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

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