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GEOGRAPHIC INFORMATION AND MAJOR CUSTOMERS (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($) item | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Segment Reporting Geograhic Area [Line Items] |  |  |
Number of operating segments | item | 1 |  |
Revenue from sales to customers |  | $ 712 | $ 9,277
Long-lived assets | 4,647 | 5,965 |
Israel [Member] |  |  |
Segment Reporting Geograhic Area [Line Items] |  |  |
Revenue from sales to customers |  |  | 32
Long-lived assets | 3,523 | 4,227 |
Europe [Member] |  |  |
Segment Reporting Geograhic Area [Line Items] |  |  |
Revenue from sales to customers |  | 712 | $ 9,245
Unites States [Member] |  |  |
Segment Reporting Geograhic Area [Line Items] |  |  |
Long-lived assets | $ 1,124 | $ 1,738 |
Revenue [Member] | Customer A [Member] |  |  |
Segment Reporting Geograhic Area [Line Items] |  |  |
Sales to a single customer exceeding 10% |  | 100.00% | 99.00%

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