INTANGIBLE ASSETS, NET (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets, Gross	$ 24,607	$ 24,607
Finite-Lived Intangible Assets, Accumulated amortization	22,607	21,775
Finite-Lived Intangible Assets, Net	$ 2,000	2,832
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	4 years 6 months
Acquired technology and license [Member]
Finite-Lived Intangible Assets, Gross	$ 19,857	19,857
Finite-Lived Intangible Assets, Accumulated amortization	$ 18,008	17,292
Acquired technology and license [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Acquired technology and license [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Customer Relationship [Member]
Finite-Lived Intangible Assets, Gross	$ 4,750	4,750
Finite-Lived Intangible Assets, Accumulated amortization	$ 4,599	$ 4,483
Customer Relationship [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	9 years
Customer Relationship [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	4 years 6 months

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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