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SIGNIFICANT CUSTOMERS AND INTERNATIONAL SALES (Customer and Credit Risk Concentration) (Details) | 12 Months Ended
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Dec. 31, 2016 customers segments | Dec. 31, 2015 customers | Dec. 31, 2014 customers
Concentration Risk [Line Items] |  |  |
Number of reportable segments | segments | 1 |  |
Credit Concentration Risk [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage benchmark for total accounts receivable | 10.00% | 10.00% |
Number of major customers | 10 | 10 |
Concentration risk percentage | 70.00% | 66.00% |
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Avnet [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 24.00% | 20.00% |
Credit Concentration Risk [Member] | Accounts Receivable [Member] | ATM Electronic Corporation [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 10.00% |
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Number of major customers | 10 | 10 | 10
Concentration risk percentage | 10.00% | 10.00% | 10.00%
Concentration risk percentage of net revenue | 60.00% | 60.00% | 59.00%
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Avnet [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage of net revenue | 18.00% | 21.00% | 19.00%
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Powertech Distribution Ltd. [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage of net revenue | 11.00% | 10.00% |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
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