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v3.23.3

Reportable Segments - Schedule of Reportable Segment Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Net revenues |  | $ 113,315 | $ 106,298 | $ 85,205
Operating income (loss) |  | (14,970) | 17,286 | 3,725
Depreciation and amortization |  | 5,012 | 1,729 | 1,398
Identifiable assets |  | 137,021 | 133,534 |
Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures |  | 2,898 | 1,135 | 3,012
Depreciation and amortization |  | 5,012 | 1,729 | 1,398
Operating Segments | Semiconductor |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues |  | 77,595 | 87,982 | 72,086
Operating income (loss) |  | 6,907 | 20,672 | 8,585
Identifiable assets |  | 72,466 | 75,622 |
Operating Segments | Semiconductor | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures |  | 345 | 452 | 2,264
Depreciation and amortization |  | 886 | 1,101 | 905
Operating Segments | Material and Substrate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues |  | 35,720 | 18,316 | 13,119
Operating income (loss) |  | (8,765) | 3,728 | 278
Identifiable assets |  | 61,576 | 22,032 |
Operating Segments | Material and Substrate | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures |  | 1,092 | 411 | 695
Depreciation and amortization |  | 4,045 | 565 | 438
Non-Segment Related |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income (loss) |  | (13,112) | (7,114) | (5,138)
Identifiable assets | [1] | 2,979 | 35,880 |
Non-Segment Related | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures |  | 1,461 | 272 | 53
Depreciation and amortization |  | $ 81 | $ 63 | $ 55
[1] | Non-segment related assets include cash, property and other assets.

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