| Line Item | Jun 30, 2026 | Jun 30, 2025 |
|---|---|---|
| Operating expenses | ||
| General and administrative expenses | ||
| Research and development expenses | ||
| Operating expenses | ||
| Operating loss | ||
| Other non-operating income (expense) | ||
| Interest income | ||
| Change in fair value of SAFE Notes | — | |
| Other income | ||
| Total non-operating income (expense) | ||
| Net loss | ||
| Basic net loss per share of common stock (in dollars per share) | ||
| Diluted net loss per share of common stock (in dollars per share) |