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Inventories (Tables) | 9 Months Ended
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Jun. 30, 2022
Inventory Disclosure [Abstract] |
Inventories | Inventories consist of the following (in thousands):
|  | June 30, 2022 |  |  | September 30, 2021 |
Finished goods |  | $ | 18,592 |  |  | $ | 19,368 |
Work in process |  |  | 3,758 |  |  |  | 8,247 |
Raw materials |  |  | 48,816 |  |  |  | 43,620 |
Obsolescence reserve |  |  | (38,306 | ) |  |  | (36,936 | )
|  |  | 32,860 |  |  |  | 34,299 |
Less current portion |  |  | 18,868 |  |  |  | 16,196 |
Non-current portion |  | $ | 13,992 |  |  | $ | 18,103 |

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