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INTANGIBLE ASSETS, NET (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets, Net [Abstract]      
Amortization and impairment of intangible assets $ 9,000 $ 4,000 $ 430,000
Estimated aggregate amortization of intangible assets - 2017 38,000 $ 23,000  
Estimated aggregate amortization of intangible assets - 2018 3,000    
Estimated aggregate amortization of intangible assets - 2019 3,000    
Estimated aggregate amortization of intangible assets - 2020 3,000    
Estimated aggregate amortization of intangible assets - 2021 3,000    
Estimated aggregate amortization of intangible assets - 2022 3,000    
Estimated aggregate amortization of intangible assets - Therafter $ 20,000