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REVENUE RECOGNITION (Schedule of Revenue from Customer by Geographic Area and Source) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disaggregation of Revenue [Line Items]    
Revenues $ 735 $ 524
United States    
Disaggregation of Revenue [Line Items]    
Revenues 735 447
Switzerland    
Disaggregation of Revenue [Line Items]    
Revenues $ 0 $ 77