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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands | 12 Months Ended | 76 Months Ended
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2012
COMMITMENTS AND CONTINGENCIES [Abstract] |  |  |  |
Operating lease expenses | $ 1,379 | $ 1,337 | $ 988 |
Minimum future rental commitments |  |  |  |
2018 | 1,671 |  |  |
2019 | 1,696 |  |  |
2020 | 1,655 |  |  |
2021 | 415 |  |  |
Total future rental commitments | $ 5,437 |  |  |
Extend the lease | for two consecutive additional five year periods |  |  |
IIA [Member] |  |  |  |
Minimum future rental commitments |  |  |  |
Maximum royalty repaid as percentage of grant received | 100.00% |  |  |
Royalty expense | $ 0 | $ 25 | $ 325 |
Contingent royalty obligations | $ 9,093 |  |  |
IIA [Member] | Maximum [Member] |  |  |  |
Minimum future rental commitments |  |  |  |
Royalty percentage based on future revenues | 5.00% |  |  |
IIA [Member] | Minimum [Member] |  |  |  |
Minimum future rental commitments |  |  |  |
Royalty percentage based on future revenues | 3.00% |  |  |
New Agreement With Advisor [Member] |  |  |  |
Minimum future rental commitments |  |  |  |
Agreement, start date | Feb. 27, 2014 |  |  |
New Agreement With Advisor [Member] | Maximum [Member] |  |  |  |
Minimum future rental commitments |  |  |  |
Participation Rights | 1.00% |  |  |
May 2012 Agreement With Advisor [Member] |  |  |  |
Minimum future rental commitments |  |  |  |
Agreement, start date | May 09, 2012 |  |  |
Agreement, termination date | Feb. 27, 2014 |  |  |
May 2012 Agreement With Advisor [Member] | Minimum [Member] |  |  |  |
Minimum future rental commitments |  |  |  |
Participation Rights | 4.00% |  |  |
OCS [Member] |  |  |  |
Minimum future rental commitments |  |  |  |
Grants received |  |  |  | $ 500

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