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SEGMENT INFORMATION (Narrative) (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Assets, Total [Member]    
Concentration risk percentage 95.80%  
Sales Revenue, Net [Member]    
Concentration risk percentage 99.90%  
Non Domestic [Member] | Assets, Total [Member]    
Concentration risk percentage 9.00% 3.00%
Non Domestic [Member] | Sales Revenue, Net [Member]    
Concentration risk percentage 3.00%