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Major Customers and Foreign Sales - Schedule of Revenues by Geographic Region (Details) - Net Revenues - Geographic Concentration Risk | 3 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 100.00% | 100.00%
United States |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 43.00% | 26.00%
Canada |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 1.00% | 8.00%
Mexico |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 1.00% | 6.00%
Other North America |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 1.00% | 4.00%
Total Americas |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 46.00% | 44.00%
China |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 32.00% | 17.00%
Malaysia |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 2.00% | 4.00%
Taiwan |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 4.00% | 6.00%
Other Asia |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 3.00% | 4.00%
Total Asia |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 41.00% | 31.00%
Germany |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 6.00% | 4.00%
Austria |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 0.00% | 11.00%
Other Europe |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 7.00% | 10.00%
Total Europe |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 13.00% | 25.00%

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