| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue and grant income: | ||||||||||||||||
| Government contract revenue | — | — | ||||||||||||||
| Operating expenses: | ||||||||||||||||
| Research and Development Expense | ||||||||||||||||
| Selling, General and Administrative Expense | ||||||||||||||||
| Total operating expenses | ||||||||||||||||
| % of revenue | 3132.4% | 1147.1% | — | — | ||||||||||||
| Loss from operations | ||||||||||||||||
| % of revenue | -3032.4% | -1047.1% | — | — | ||||||||||||
| Other income (expense): | ||||||||||||||||
| Interest income, net | ||||||||||||||||
| Foreign Currency Gain/Loss | ||||||||||||||||
| Total other income, net | ||||||||||||||||
| Net loss | ||||||||||||||||
| % of revenue | -3013.3% | -1021.8% | — | — | ||||||||||||
| Earnings Per Share (Basic) | ||||||||||||||||
| Earnings Per Share (Diluted) |