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GEOGRAPHIC INFORMATION AND MAJOR CUSTOMER AND PRODUCT DATA (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Revenue, Major Customer [Line Items]      
Total revenues $ 4,393 $ 4,873 $ 6,545
Israel [Member]      
Revenue, Major Customer [Line Items]      
Total revenues 2
United States [Member]      
Revenue, Major Customer [Line Items]      
Total revenues 1,746 2,003 3,558
Europe [Member]      
Revenue, Major Customer [Line Items]      
Total revenues 2,631 2,832 2,807
Asia Pacific [Member]      
Revenue, Major Customer [Line Items]      
Total revenues 8 36 22
Latin America [Member]      
Revenue, Major Customer [Line Items]      
Total revenues 6 58
Africa [Member]      
Revenue, Major Customer [Line Items]      
Total revenues $ 2 $ 100