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INTANGIBLE ASSETS AND GOODWILL (Schedule of Future Amortization Expense) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Net intangible assets $ 1,353 $ 1,253
Intangible Assets, Excluding Pending Patents    
Finite-Lived Intangible Assets [Line Items]    
2018 130  
2019 103  
2020 76  
2021 66  
2022 56  
2023 and thereafter 418  
Net intangible assets $ 849