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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2023
Accounting Policies [Abstract] |
Schedule of Property, Plant and Equipment by Major Asset Class | The Company's property, plant and equipment assets by major asset class at September 30 consist of:
|  | 2023 |  | 2022
Property, plant and equipment: |  |  |  |
Land |  | $ | 949 |  |  | $ | 913 |
Buildings |  | 17,016 |  |  | 16,553 |
Machinery and equipment |  | 96,874 |  |  | 93,510 |
Total property, plant and equipment |  | 114,839 |  |  | 110,976 |
Less: Accumulated depreciation |  | 78,552 |  |  | 71,704 |
Property, plant and equipment, net |  | $ | 36,287 |  |  | $ | 39,272 |
Schedule of Dilutive Effect of Company's Restricted Shares and Performance Shares | The dilutive effect is as follows:
|  | September 30, |  |
|  | 2023 |  | 2022 |  |
Net loss |  | $ | (8,692) |  |  | $ | (9,640) |  |  |
Weighted-average common shares outstanding (basic and diluted) |  | 5,929 |  |  | 5,830 |  |  |
Net loss per share – basic and diluted: |  | $ | (1.47) |  |  | $ | (1.65) |  |  |
Anti-dilutive weighted-average common shares excluded from calculation of diluted earnings per share |  | 202 |  |  | 270 |  |  |
Schedule of Accumulated Other Comprehensive Loss | The components of accumulated other comprehensive loss as shown on the consolidated balance sheets at September 30 are as follows:
| 2023 |  | 2022 |  |
Foreign currency translation adjustment, net of income tax | $ | (5,928) |  |  | $ | (6,196) |  |  |
Net retirement plan liability adjustment, net of income tax | (741) |  |  | (2,509) |  |  |
Interest rate swap agreement, net of income tax | 9 |  |  | 12 |  |  |
Total accumulated other comprehensive loss | $ | (6,660) |  |  | $ | (8,693) |  |  |
The following table provides additional details of the amounts recognized into net earnings from accumulated other comprehensive loss, net of tax:
| Foreign Currency Translation Adjustment |  | Retirement Plan Liability Adjustment |  | Interest Rates Swap Adjustment |  | Accumulated Other Comprehensive Loss
Balance at September 30, 2021 | (5,359) |  |  | (3,720) |  |  | — |  |  | (9,079) |
Other comprehensive (loss) income before reclassifications | (837) |  |  | 527 |  |  | 12 |  |  | (298) |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 684 |  |  |  |  | 684 |
Net current-period other comprehensive (loss) income | (837) |  |  | 1,211 |  |  | 12 |  |  | 386 |
Balance at September 30, 2022 | (6,196) |  |  | (2,509) |  |  | 12 |  |  | (8,693) |
Other comprehensive income (loss) before reclassifications | 268 |  |  | 1,341 |  |  | (3) |  |  | 1,606 |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 427 |  |  |  |  | 427 |
Net current-period other comprehensive income (loss) | 268 |  |  | 1,768 |  |  | (3) |  |  | 2,033 |
Balance at September 30, 2023 | $ | (5,928) |  |  | $ | (741) |  |  | $ | 9 |  |  | $ | (6,660) |
Schedule of Reclassification Out of Accumulated Other Comprehensive Loss | The following table reflects the changes in accumulated other comprehensive loss related to the Company for September 30, 2023 and 2022:
|  | Amount reclassified from accumulated other comprehensive loss |  |  |  |  |  |
Details about accumulated other comprehensive loss components |  | 2023 |  | 2022 |  |  |  |  |  | Affected line item in the Consolidated Statement of Operations
Amortization of Retirement plan liability: |  |  |  |  |  |  |  |  |  |
Net actuarial gain |  | 1,659 |  |  | 1,003 |  |  |  |  |  |  | (1)
Settlements/curtailments |  | 108 |  |  | 208 |  |  |  |  |  |  | (1)
|  | 1,767 |  |  | 1,211 |  |  |  |  |  |  | Total before taxes
|  | — |  |  | — |  |  |  |  |  |  | Income tax expense
|  | $ | 1,767 |  |  | $ | 1,211 |  |  |  |  |  |  | Net of taxes
(1) These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost. See Note 8, Retirement Benefit Plans for further discussion.

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