| Line Item | Jun 30, 2026 | Jun 30, 2025 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 | Jun 30, 2022 | Mar 31, 2022 | Dec 31, 2021 | Sep 30, 2021 | Jun 30, 2021 | Mar 31, 2021 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | — | ||||||||||||
| YoY growth | — | ||||||||||||
| Cost of Revenue | — | ||||||||||||
| Gross loss | — | ||||||||||||
| % of revenue | — | ||||||||||||
| Operating expenses: | |||||||||||||
| Research and Development Expense | |||||||||||||
| Selling, General and Administrative Expense | |||||||||||||
| Total operating expenses | |||||||||||||
| % of revenue | — | ||||||||||||
| Loss from operations | |||||||||||||
| % of revenue | — | ||||||||||||
| Other income (expense): | |||||||||||||
| Net Interest Income | |||||||||||||
| Change in fair value - warrant liability | — | ||||||||||||
| Non-Operating Income (Expense) | |||||||||||||
| Change in fair value - anti-dilution liability | |||||||||||||
| Change in fair value of digital assets | |||||||||||||
| Consent and waiver fee - Series H-7 | — | ||||||||||||
| Revenue | |||||||||||||
| Total other income (expense), net | |||||||||||||
| Net loss prior to provision for income taxes | |||||||||||||
| Net loss | |||||||||||||
| % of revenue | — | ||||||||||||
| Dividends earned on convertible preferred stock | |||||||||||||
| Net loss attributable to common stockholders | |||||||||||||
| Earnings Per Share (Basic) | |||||||||||||
| Earnings Per Share (Diluted) |