Subsidiaries - Summary of Subsidiaries (Detail) |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Immutep US., Inc [member] | ||
| Disclosure of subsidiaries [line items] | ||
| Country of incorporation | United States | |
| Equity holdings | 100.00% | 100.00% |
| Prima BioMed Middle East FZ LLC [Member] | ||
| Disclosure of subsidiaries [line items] | ||
| Country of incorporation | United Arab Emirates | |
| Equity holdings | 100.00% | 100.00% |
| Immutep GmbH [member] | ||
| Disclosure of subsidiaries [line items] | ||
| Country of incorporation | Germany | |
| Equity holdings | 100.00% | 100.00% |
| Immutep Australia Pty Ltd [member] | ||
| Disclosure of subsidiaries [line items] | ||
| Country of incorporation | Australia | |
| Equity holdings | 100.00% | 100.00% |
| Immutep IP Pty Ltd [member] | ||
| Disclosure of subsidiaries [line items] | ||
| Country of incorporation | Australia | |
| Equity holdings | 100.00% | 100.00% |
| Immutep S.A.S. [member] | ||
| Disclosure of subsidiaries [line items] | ||
| Country of incorporation | France | |
| Equity holdings | 100.00% | 100.00% |