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Acquisitions - Additional Information (Details) - USD ($) $ in Thousands |  |  | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 17, 2023 | Mar. 03, 2021 | Sep. 30, 2023 | Sep. 30, 2023 | Sep. 30, 2023 | Sep. 30, 2022
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill - Net |  |  | $ 27,631 | $ 27,631 | $ 27,631 | $ 11,168
Customer Relationships |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangible asset, estimated useful lives |  |  | 10 years | 10 years | 10 years |
Trade Name |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangible asset, estimated useful lives |  |  | 3 years | 3 years | 3 years |
UMB Bank, N.A. | Term Loan | Loan and Security Agreement |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Debt instruments carrying value | $ 12,000 |  |  |  |  |
Debt instrument maturity date | Jan. 17, 2028 |  |  |  |  |
UMB Bank, N.A. | Revolving Loan Facility | Loan and Security Agreement |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Loan facility available | $ 8,000 |  |  |  |  |
Loan facility maturity date | Jan. 17, 2024 |  |  |  |  |
Intersurface Dynamics, Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  | 100.00% |  |  |  |
Business acquisition, effective date of acquisition |  | Mar. 03, 2021 |  |  |  |
Business acquisition, cash purchase price |  | $ 5,300 |  |  |  |
Business acquisition, fair value of net assets |  | 700 |  |  |  |
Business acquisition, identifiable intangible assets |  | 400 |  |  |  |
Goodwill - Net |  | $ 4,500 |  |  |  |
Entrepix, Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired | 100.00% |  |  |  |  |
Business acquisition, cash purchase price |  |  | $ 39,227 |  | $ 39,200 |
Cash consideration to the sellers |  |  |  |  | 35,200 |
Cash paid for debt and Entrepix transaction costs |  |  |  |  | 4,000 |
Total Revenues |  |  |  | $ 18,600 |  |
Net Income (Loss) |  |  |  | 3,700 |  |
Incremental (reversal) amortization expense on intangible assets acquired |  |  |  |  | 1,000 | 3,900
Incremental (reversal) of depreciation expense for property, plant, and equipment |  |  |  |  | (200) | (200)
Non-recurring adjustments including acquisition related costs |  |  |  |  |  | 2,500
Goodwill - Net |  |  | $ 16,463 | $ 16,463 | 16,463 |
Entrepix, Inc. | Term Loan |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Incremental interest expense on loan |  |  |  |  | 600 | $ 700
Amtech's | General and Administrative Expenses |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition cost |  |  |  |  | $ 2,500 |

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