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INTANGIBLE ASSETS, NET (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets, net | $ 6,576 | $ 2,199 |
Amortization expense | 0 | 1,544 | $ 1,648
Intangible assets acquired | 3,412 | 1,407 |
Technology [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Original amount | 4,509 | 1,225 |
Intangible assets acquired | 3,284 |  |
Intangible assets acquired, not resulted in cash flows | 1,834 |  |
Software development costs [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Original amount | $ 2,067 | $ 974 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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