| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net sales | ||||||||||||||||
| YoY growth | +1.1% | +10.4% | +11.9% | +21.2% | ||||||||||||
| Cost of sales | ||||||||||||||||
| Gross profit | ||||||||||||||||
| % of revenue | 50.2% | 50.3% | 47.6% | 49.8% | ||||||||||||
| Operating expenses: | ||||||||||||||||
| Engineering, design and product development | ||||||||||||||||
| Selling and marketing | ||||||||||||||||
| General and administrative | ||||||||||||||||
| Operating expenses | ||||||||||||||||
| % of revenue | 50.6% | 45.0% | 57.7% | 49.7% | ||||||||||||
| Operating (loss) income | ||||||||||||||||
| % of revenue | -0.4% | 5.3% | -10.1% | 0.1% | ||||||||||||
| Interest and other income (expense): | ||||||||||||||||
| Interest, net | — | |||||||||||||||
| Other, net | ||||||||||||||||
| Interest and other income (expense) | ||||||||||||||||
| (Loss) income before income taxes | ||||||||||||||||
| Income tax expense | ||||||||||||||||
| Net (loss) income | ||||||||||||||||
| % of revenue | -0.4% | 5.3% | -9.9% | 0.1% | ||||||||||||
| Net (loss) income per common share: | ||||||||||||||||
| Basic (in dollars per share) | ||||||||||||||||
| Diluted (in dollars per share) |