| 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 |
|---|---|---|---|---|---|---|---|---|
| Revenue | — | — | ||||||
| YoY growth | -29.4% | +15.4% | — | — | ||||
| Cost of revenue | — | — | ||||||
| Contract loss adjustments | — | — | ||||||
| Gross profit (loss) | — | — | ||||||
| % of revenue | -5.4% | 180.9% | — | — | ||||
| Operating expenses: | ||||||||
| Research and development | — | — | ||||||
| General and administrative | ||||||||
| Selling and marketing | — | — | ||||||
| Total operating expenses | — | — | ||||||
| % of revenue | 1523.2% | 2876.7% | — | — | ||||
| Loss from operations | ||||||||
| % of revenue | -1528.6% | -2695.8% | — | — | ||||
| Other (expense) income: | ||||||||
| Interest income | ||||||||
| Interest expense | — | — | ||||||
| Other expense | — | — | ||||||
| Change in fair value of warrant liabilities | — | — | ||||||
| Change in fair value of convertible promissory notes | — | — | ||||||
| Change in fair value of long-term debt | — | — | ||||||
| Total other expense | ||||||||
| Loss before provision for income taxes | — | — | ||||||
| Provision for income taxes | — | — | ||||||
| Net loss | ||||||||
| % of revenue | -2663.0% | -9023.9% | — | — | ||||
| Series A Preferred Stock dividends and accretion | — | — | ||||||
| Net loss attributable to common stockholders | — | — | ||||||
| Basic (in dollars per share) | — | |||||||
| Diluted (in dollars per share) | — |