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Major Customers and Foreign Sales (Tables) | 6 Months Ended
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Mar. 31, 2021
Geographic Areas Revenues From External Customers [Abstract] |
Schedule of Revenues by Geographic Region | Our net revenues were from customers in the following geographic regions:
|  | Six Months Ended March 31, |
|  | 2021 |  |  | 2020 |
United States |  |  | 24 | % |  |  | 34 | %
Other |  |  | 3 | % |  |  | 6 | %
Total North America |  |  | 27 | % |  |  | 40 | %
China |  |  | 28 | % |  |  | 24 | %
Malaysia |  |  | 5 | % |  |  | 4 | %
Taiwan |  |  | 20 | % |  |  | 11 | %
Other |  |  | 8 | % |  |  | 7 | %
Total Asia |  |  | 61 | % |  |  | 46 | %
Germany |  |  | 3 | % |  |  | 3 | %
Other |  |  | 9 | % |  |  | 11 | %
Total Europe |  |  | 12 | % |  |  | 14 | %
|  |  | 100 | % |  |  | 100 | %

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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 + Details
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