| 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 |
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| Operating expenses: | ||||||||||||||||
| Research and development | ||||||||||||||||
| General and administrative | ||||||||||||||||
| Total operating expenses | ||||||||||||||||
| Loss from operations | ||||||||||||||||
| Other (expenses) income: | ||||||||||||||||
| Interest/investment income, net | ||||||||||||||||
| Realized (loss) gain on short-term investments | ||||||||||||||||
| Unrealized (loss) gain on short-term investments | ||||||||||||||||
| Total other income | ||||||||||||||||
| Net loss | ||||||||||||||||
| Loss per common share – basic (in Dollars per share) | ||||||||||||||||
| Loss per common share – diluted (in Dollars per share) |