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Inventories - Schedule of Components of Inventories (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Sep. 30, 2022
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Inventory Disclosure [Abstract] |  |
Purchased parts and raw materials | $ 22,994 | $ 15,377
Work-in-process | 7,291 | 6,146
Finished goods | 5,000 | 3,965
Inventories | $ 35,285 | $ 25,488

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