| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenues | ||||||||||||||||
| Partner program revenue | ||||||||||||||||
| YoY growth | -46.4% | -81.8% | -2.3% | -77.8% | ||||||||||||
| Operating expenses | ||||||||||||||||
| Research and development | ||||||||||||||||
| Selling, general and administrative | ||||||||||||||||
| Depreciation and amortization | ||||||||||||||||
| Total operating expenses | ||||||||||||||||
| % of revenue | 10841.5% | 14447.0% | 4875.5% | 8077.2% | ||||||||||||
| Operating loss | ||||||||||||||||
| % of revenue | -10741.5% | -14347.0% | -4775.5% | -7977.2% | ||||||||||||
| Other income (expense) | ||||||||||||||||
| Interest expense | ||||||||||||||||
| Other income, net | ||||||||||||||||
| Total other income, net | ||||||||||||||||
| Loss before income taxes | ||||||||||||||||
| Income tax expense | ||||||||||||||||
| Net loss | ||||||||||||||||
| % of revenue | -10443.4% | -13767.0% | -4548.0% | -7594.2% | ||||||||||||
| Net loss per share: basic (in usd per share) | — | |||||||||||||||
| Net loss per share: diluted (in usd per share) | — |