| Line Item | Jun 30, 2026 | Mar 31, 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 | Dec 31, 2022 | Sep 30, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total net revenue | ||||||||||||||||
| YoY growth | +287.1% | +443.1% | +3649.6% | +147.8% | ||||||||||||
| Total cost of net revenue | ||||||||||||||||
| Gross profit | ||||||||||||||||
| % of revenue | 42.8% | 3.2% | 89.3% | 3.3% | ||||||||||||
| Operating Expenses: | ||||||||||||||||
| Research and development | ||||||||||||||||
| Sales and marketing | ||||||||||||||||
| General and administrative | ||||||||||||||||
| Total operating expenses | ||||||||||||||||
| % of revenue | 436.7% | 909.3% | 77.0% | 511.4% | ||||||||||||
| Loss from operations | ||||||||||||||||
| % of revenue | -393.9% | -906.0% | 12.3% | -508.1% | ||||||||||||
| Interest expense, net | ||||||||||||||||
| Change in fair value of 2025 Notes measured at fair value | — | — | — | |||||||||||||
| Change in fair value of convertible note to related party measured at fair value | — | |||||||||||||||
| Loss on Crypto assets | — | — | — | |||||||||||||
| Extinguishment of debt | ||||||||||||||||
| Impairment of investments in non-marketable securities | — | — | — | |||||||||||||
| Change in fair value of warrant liability | ||||||||||||||||
| Other income/(expense), net | ||||||||||||||||
| Loss before provision for income taxes | ||||||||||||||||
| Provision for income taxes | ||||||||||||||||
| Net loss attributable to common stockholders | ||||||||||||||||
| Net loss per common share- basic (in dollars per share) | — | |||||||||||||||
| Net loss per common share- diluted (in dollars per share) | — |