Basis of Presentation and Significant Accounting Policies - Schedule of Product Warranty Liability (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Movement in Standard Product Warranty Accrual [Roll Forward] | ||
| Beginning Balance | $ 394 | $ 602 |
| Additions for warranties issued during the period | 22 | 61 |
| Costs incurred during the period | (4) | (16) |
| Changes in estimate for pre-existing warranties | (69) | (233) |
| Ending Balance | $ 343 | $ 414 |