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SELECTED STATEMENTS OF OPERATIONS DATA (Schedule of Property and Equipment, Net, by Geographic Areas) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Property and equipment, net | $ 1,516 | $ 384
Israel [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Property and equipment, net | 1,422 | 339
Other [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Property and equipment, net | $ 94 | $ 45

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