| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | ||||||||||||||||
| YoY growth | +328.3% | +121.8% | -77.8% | +47.1% | ||||||||||||
| Costs and expenses | ||||||||||||||||
| Cost of revenue | ||||||||||||||||
| Research and development | ||||||||||||||||
| General and administrative | ||||||||||||||||
| Total costs and expenses | ||||||||||||||||
| % of revenue | 4775.4% | 6738.2% | 9721.1% | 12128.9% | ||||||||||||
| Loss from operations | ||||||||||||||||
| % of revenue | -4675.4% | -6638.2% | -9621.1% | -12028.9% | ||||||||||||
| Other income (loss), net | ||||||||||||||||
| Interest income, net | — | — | ||||||||||||||
| Change in fair value of warrant liabilities | — | |||||||||||||||
| Other income, net | ||||||||||||||||
| Total other income (loss), net | ||||||||||||||||
| Net loss | ||||||||||||||||
| % of revenue | -4398.8% | -6203.1% | -8323.9% | -12059.9% | ||||||||||||
| Net loss per share attributable to common stockholders, basic and diluted (in dollars per share) |