| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating expenses | ||||||||||||
| Research and development | ||||||||||||
| General and administrative | ||||||||||||
| Total operating expenses | ||||||||||||
| Loss from operations | ||||||||||||
| Other income | ||||||||||||
| Interest income | ||||||||||||
| Total other income | ||||||||||||
| Net loss before income taxes | ||||||||||||
| Net loss | ||||||||||||
| Net Loss per share, basic (in usd per share) | — | |||||||||||
| Net Loss per share, diluted (in usd per share) | — |