| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating expenses: | |||||||||||||
| Research and development | |||||||||||||
| General and administrative | |||||||||||||
| Total operating expenses | |||||||||||||
| Operating loss | |||||||||||||
| Interest and investment income | |||||||||||||
| Net loss | |||||||||||||
| Net loss per share attributable to common stockholders, basic (in dollars per share) | |||||||||||||
| Net loss per share attributable to common stockholders, diluted (in dollars per share) |