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SIGNIFICANT CUSTOMERS AND INTERNATIONAL SALES (Tables) | 12 Months Ended
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Dec. 31, 2016
Risks and Uncertainties [Abstract] |
Customers accounted for 10% or more of total net revenues [Table Text Block] | The following customers each accounted for 10% or more of total net revenues:
| Year Ended December 31,
Customer | 2016 |  | 2015 |  | 2014
Avnet | 18 | % |  | 21 | % |  | 19 | %
Powertech Distribution Ltd. | 11 | % |  | 10 | % |  | * |
Customers representing 10% or more of accounts receivable [Table Text Block] | The following customers each represented 10% or more of accounts receivable:
Customer | December 31, 2016 |  | December 31, 2015
Avnet | 24 | % |  | 20 | %
ATM Electronic Corporation | * |  |  | 10 | %
_______________ * Total customer accounts receivable was less than 10%
International sales [Table Text Block] |
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
Hong Kong/China | 51 | % |  | 50 | % |  | 47 | %
Taiwan | 13 | % |  | 14 | % |  | 15 | %
Korea | 11 | % |  | 10 | % |  | 11 | %
Western Europe (excluding Germany) | 11 | % |  | 11 | % |  | 11 | %
Japan | 5 | % |  | 5 | % |  | 5 | %
Germany | 2 | % |  | 2 | % |  | 2 | %
Other | 3 | % |  | 3 | % |  | 4 | %
Total foreign revenue | 96 | % |  | 95 | % |  | 95 | %

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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