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SIGNIFICANT CUSTOMERS AND INTERNATIONAL SALES (Customer and Credit Risk Concentration) (Details)	12 Months Ended
	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

Concentration risk percentage benchmark for total accounts receivable

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Customer Concentration Risk Percentage Of Total Net Revenue

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Number Of Major Customers

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Number Of Reportable Segment

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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

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