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CUSTOMERS, GEOGRAPHIC AND SEGMENT INFORMATION (Schedule of Revenues from Major Customers) (Details) - Revenues [Member]
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Customer A [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Concentration risk percentage 17.00% 12.00%
Customer B [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Concentration risk percentage [1] 11.00%
Customer C [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Concentration risk percentage [1] 16.00%
[1] Less than 10%