| 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 Expense | ||||||||||||||||
| Selling, General and Administrative Expense | ||||||||||||||||
| Total operating expenses | ||||||||||||||||
| Loss from operations | ||||||||||||||||
| Other income (expense): | ||||||||||||||||
| Non-Operating Income (Expense) | ||||||||||||||||
| Grant income | — | — | ||||||||||||||
| Change in fair value of warrant liability | ||||||||||||||||
| Other income (expense) net: | — | — | ||||||||||||||
| Net loss | ||||||||||||||||
| Earnings Per Share (Basic) | ||||||||||||||||
| Earnings Per Share (Diluted) |