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Major Customers and Foreign Sales | 6 Months Ended
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Mar. 31, 2022
Geographic Areas, Revenues from External Customers [Abstract] |
Major Customers and Foreign Sales | 11. Major Customers and Foreign Sales During the six months ended March 31, 2022, two Semiconductor segment customers individually represented 16% and 12% of our net revenues. During the six months ended March 31, 2021, two Semiconductor segment customers individually represented 17% and 10% of our net revenues. Our net revenues were from customers in the following geographic regions:
|  | Six Months Ended March 31, |
|  | 2022 |  |  | 2021 |
United States |  |  | 21 | % |  |  | 24 | %
Other |  |  | 9 | % |  |  | 3 | %
Total North America |  |  | 30 | % |  |  | 27 | %
China |  |  | 20 | % |  |  | 28 | %
Malaysia |  |  | 9 | % |  |  | 5 | %
Taiwan |  |  | 14 | % |  |  | 20 | %
Other |  |  | 5 | % |  |  | 8 | %
Total Asia |  |  | 48 | % |  |  | 61 | %
Germany |  |  | 6 | % |  |  | 3 | %
Austria |  |  | 9 | % |  |  | 1 | %
Other |  |  | 7 | % |  |  | 8 | %
Total Europe |  |  | 22 | % |  |  | 12 | %
|  |  | 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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