| Line Item | Jun 30, 2026 | Mar 31, 2026 | 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 EXPENSES | |||||||||||||||
| Selling, general and administrative expense | |||||||||||||||
| Total operating expenses | |||||||||||||||
| OPERATING LOSS | |||||||||||||||
| OTHER INCOME (EXPENSE), NET | |||||||||||||||
| Interest income | — | ||||||||||||||
| Interest expense | |||||||||||||||
| Change in fair value of digital assets | — | ||||||||||||||
| Other derivative income, net | — | ||||||||||||||
| Provision for credit losses | — | ||||||||||||||
| Total other expense, net | |||||||||||||||
| LOSS BEFORE INCOME TAXES | |||||||||||||||
| Income tax benefit | |||||||||||||||
| NET LOSS | |||||||||||||||
| Net loss attributable to common stockholders, basic | — | ||||||||||||||
| Net loss attributable to common stockholders, diluted | |||||||||||||||
| Basic loss per share (in dollars per share) | — | ||||||||||||||
| Diluted loss per share (in dollars per share) | — |