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Disaggregated Revenue and Entity Wide Disclosures - Schedule of Revenues Attributed to Geographic Areas by Principal Customers (Details) - Sales [Member]
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Customer A [Member]    
Segment Reporting Information [Line Items]    
Percentage of revenues per major customer 22.00% 14.00%
Customer B [Member]    
Segment Reporting Information [Line Items]    
Percentage of revenues per major customer 10.00% 12.00%
Customer C [Member]    
Segment Reporting Information [Line Items]    
Percentage of revenues per major customer 10.00% 12.00%