| 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 | -11.8% | +13.7% | +10.5% | +4.0% | ||||||||||||
| Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization | ||||||||||||||||
| Gross profit | ||||||||||||||||
| % of revenue | 52.5% | 66.5% | 47.3% | 40.6% | ||||||||||||
| Operating expenses: | ||||||||||||||||
| Research and development | ||||||||||||||||
| Sales and marketing | ||||||||||||||||
| General and administrative | ||||||||||||||||
| Total operating expenses | ||||||||||||||||
| % of revenue | 213.6% | 145.5% | 173.5% | 174.0% | ||||||||||||
| Operating loss | ||||||||||||||||
| % of revenue | -161.1% | -79.1% | -126.2% | -133.4% | ||||||||||||
| Other (expense) income, net | ||||||||||||||||
| Interest income, net | ||||||||||||||||
| Realized loss on digital assets, net | — | — | ||||||||||||||
| Unrealized Net Loss on Fair Value Remeasurement | ||||||||||||||||
| Net loss | ||||||||||||||||
| % of revenue | -630.3% | 240.0% | -448.2% | -381.0% | ||||||||||||
| Preferred stock dividends | ||||||||||||||||
| Net loss attributable to common stockholders | ||||||||||||||||
| Net loss attributable to common stockholders per share: | ||||||||||||||||
| Basic and diluted net loss per share (in dollars per share) |