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ENTITY-WIDE DISCLOSURE (Schedule of Long-Lived Assets by Geographical Location) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-Lived Assets $ 21,424 $ 21,321
Israel [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-Lived Assets 12,894 12,395
United states [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-Lived Assets $ 8,530 $ 8,926