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Geographic Information and Major Customer and Product Data (Details 2) - Customer A [Member]
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenue, Major Customer [Line Items]      
Concentration risk 14.00% [1]  
Sales Revenue, Net [Member]      
Revenue, Major Customer [Line Items]      
Concentration risk 15.00% 38.00% 35.20%
[1] Less than 10%