| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating Expenses: | ||||||||||||||||
| Research and development expenses | — | |||||||||||||||
| General and administrative expenses | — | |||||||||||||||
| Acquired in process research and development | — | — | — | |||||||||||||
| Total Operating Expenses | — | |||||||||||||||
| Loss From Operations | — | |||||||||||||||
| Other Income (Expense) | ||||||||||||||||
| Interest income | — | |||||||||||||||
| Change in fair value of milestone warrant rights liability | — | — | — | |||||||||||||
| Financing Expense Related To Milestone Warrant Rights Liability | — | — | — | |||||||||||||
| Loss on extinguishment | — | — | — | |||||||||||||
| Loss on equity method investment | — | |||||||||||||||
| Other income (expenses) | — | — | — | |||||||||||||
| Total other income (expense) | — | |||||||||||||||
| Net Loss | ||||||||||||||||
| Loss per share, basic | — | — | ||||||||||||||
| Loss per share, diluted | — | — |