| Line Item | Jun 30, 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 | |||||||||||||||
| General and administrative | |||||||||||||||
| Total operating expenses | |||||||||||||||
| Operating loss | |||||||||||||||
| Interest expense | |||||||||||||||
| Other income, net | |||||||||||||||
| Loss before income tax | |||||||||||||||
| Income tax expense | |||||||||||||||
| Net loss | |||||||||||||||
| Of which: net loss attributable to controlling interests shareholders | |||||||||||||||
| Of which: net loss attributable to noncontrolling interests shareholders | |||||||||||||||
| Comprehensive loss attributable to controlling interests shareholders | |||||||||||||||
| Comprehensive loss attributable to noncontrolling interests | |||||||||||||||
| Basic net loss per share attributable to controlling interest shareholders (USD per share) | |||||||||||||||
| Diluted net loss per share attributable to controlling interest shareholders (USD per share) |