| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Sep 30, 2024 |
|---|---|---|---|---|---|---|---|
| General and administrative costs | |||||||
| Loss from operations | |||||||
| Other income: | |||||||
| Loss on derivative liability | |||||||
| Interest earned on cash held in Operating Bank Account | — | — | — | ||||
| Interest earned on marketable securities held in Trust Account | |||||||
| Total other income | |||||||
| Net income (loss) | |||||||
| Basic net income (loss) per share (in Dollars per share) | — | — | — | ||||
| Diluted net income (loss) per share (in Dollars per share) | — | — | — |