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Major Customers and Sales by Country | 12 Months Ended
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Sep. 30, 2023
Geographic Areas, Revenues from External Customers [Abstract] |
Major Customers and Sales by Country | 17. Major Customer s and Sales by Country In 2023, one Semiconductor customer accounted for 11% of net revenues. In 2022, two Semiconductor customers accounted for 14% and 12% of net revenues. In 2021, two Semiconductor customers accounted for 14% and 13% of net revenues. The percentages of our net revenues for 2023, 2022 and 2021 were to customers in the following geographic regions:
|  | Years Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
United States |  |  | 39 | % |  |  | 27 | % |  |  | 22 | %
Other |  |  | 9 | % |  |  | 9 | % |  |  | 5 | %
Total Americas |  |  | 48 | % |  |  | 36 | % |  |  | 27 | %
China |  |  | 14 | % |  |  | 17 | % |  |  | 29 | %
Malaysia |  |  | 6 | % |  |  | 7 | % |  |  | 3 | %
Taiwan |  |  | 5 | % |  |  | 14 | % |  |  | 15 | %
Other |  |  | 6 | % |  |  | 6 | % |  |  | 11 | %
Total Asia |  |  | 31 | % |  |  | 44 | % |  |  | 58 | %
Czech Republic |  |  | 5 | % |  |  | — | % |  |  | — | %
Austria |  |  | 4 | % |  |  | 10 | % |  |  | 3 | %
Germany |  |  | 2 | % |  |  | 4 | % |  |  | 5 | %
Other |  |  | 10 | % |  |  | 6 | % |  |  | 7 | %
Total Europe |  |  | 21 | % |  |  | 20 | % |  |  | 15 | %
|  |  | 100 | % |  |  | 100 | % |  |  | 100 | %

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