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SIGNIFICANT CUSTOMERS AND GEOGRAPHIC NET REVENUES (Tables) | 12 Months Ended
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Dec. 31, 2018
Risks and Uncertainties [Abstract] |
Customers accounted for 10% or more of total net revenues [Table Text Block] | The following table discloses these customers’ percentage of net revenues for the respective years:
| Year Ended December 31,
Customer | 2018 |  | 2017 |  | 2016
Avnet | 14 | % |  | 16 | % |  | 18 | %
Powertech Distribution Ltd. | * |  |  | * |  |  | 10 | %
_______________ * Total customer revenue was less than 10% of net revenues.
Customers representing 10% or more of accounts receivable [Table Text Block] | The following table discloses these customers’ percentage of accounts receivable:
Customer | December 31, 2018 |  | December 31, 2017
Avnet | 17 | % |  | 18 | %
Powertech Distribution Ltd. | 11 | % |  | * |
_______________ * Total customer accounts receivable was less than 10% of net accounts receivables.
Geographic net revenues | Geographic net revenues based on “bill to” customer locations were as follows:
| Year Ended December 31,
(In thousands) | 2018 |  | 2017 |  | 2016
United States of America | $ | 15,315 |  |  | $ | 16,647 |  |  | $ | 14,948 |
Hong Kong/China | 218,752 |  |  | 227,335 |  |  | 198,858 |
Taiwan | 43,081 |  |  | 50,307 |  |  | 50,324 |
Korea | 33,877 |  |  | 38,012 |  |  | 41,996 |
Western Europe (excluding Germany) | 49,834 |  |  | 48,230 |  |  | 41,214 |
Japan | 19,897 |  |  | 20,769 |  |  | 19,767 |
Germany | 14,403 |  |  | 11,558 |  |  | 7,563 |
Other | 20,796 |  |  | 18,897 |  |  | 14,998 |
Total net revenues | $ | 415,955 |  |  | $ | 431,755 |  |  | $ | 389,668 |

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: 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=115929826&loc=d3e9038-108599 + Details
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