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Major Customers and Sales by Country | 12 Months Ended
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Sep. 30, 2020
Geographic Areas Revenues From External Customers [Abstract] |
Major Customers and Sales by Country | 19. Major Customers and Sales by Country In 2020, one Semiconductor customer accounted for 11% of net revenues. In 2019, no individual customer accounted for 10% or more of net revenues. In 2018, one Semiconductor customer accounted for 14% of net revenues. Our net revenues for 2020, 2019 and 2018 were to customers in the following geographic regions:
|  | Years Ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
United States |  |  | 28 | % |  |  | 35 | % |  |  | 21 | %
Other |  |  | 7 | % |  |  | 6 | % |  |  | 3 | %
Total Americas |  |  | 35 | % |  |  | 41 | % |  |  | 24 | %
China |  |  | 25 | % |  |  | 18 | % |  |  | 30 | %
Malaysia |  |  | 5 | % |  |  | 5 | % |  |  | 8 | %
Taiwan |  |  | 15 | % |  |  | 10 | % |  |  | 9 | %
Other |  |  | 7 | % |  |  | 8 | % |  |  | 5 | %
Total Asia |  |  | 52 | % |  |  | 41 | % |  |  | 52 | %
Germany |  |  | 3 | % |  |  | 8 | % |  |  | 10 | %
Other |  |  | 10 | % |  |  | 10 | % |  |  | 14 | %
Total Europe |  |  | 13 | % |  |  | 18 | % |  |  | 24 | %
|  |  | 100 | % |  |  | 100 | % |  |  | 100 | %

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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