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GENERAL (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
item
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
GENERAL      
Number of therapeutic candidates out-licensed on an exclusive world-wide basis | item 1    
Revenue | $ $ 4,007 $ 101 $ 3