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COMMITMENTS AND CONTINGENCIES (Royalty Commitments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Long-term Purchase Commitment [Line Items] |  |  |
Proceeds from grants received | $ 75 | $ 215 | $ 55
Israel Innovation Authority (IIA) [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Royalty rates | 3.50% |  |
Percent of grants received paid in royalties | 100.00% |  |
Total commitment with respect to royalty-bearing participation received, net of royalties paid | $ 43,563 |  |
Proceeds from grants received | 40,085 |  |
Accumulated interest, grants | 15,491 |  |
Accumulated royalties paid | 12,013 |  |
Royalty expenses | $ 1,033 | $ 655 | $ 827
Israeli Ministry Of Trade [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Royalty rates | 3.00% |  |
Proceeds from grants received | $ 619 |  |
Maximum term for required royalty payments | 5 years |  |
BIRD-F [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Royalty rates | 5.00% |  |
Percent of grants received paid in royalties | 150.00% |  |
Proceeds from grants received | $ 340 |  |
Royalties due based on stated percentage | 815 |  |
Linkage to the United States Consumer Price Index | 449 |  |
Accumulated royalties paid | $ 366 |  |

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