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GOODWILL (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Goodwill [Line Items]      
Goodwill impairment loss $ 674 $ 879  
Accumulated impairment loss 7,098 6,424 $ 7,098
Certain Reporting Units [Member]      
Goodwill [Line Items]      
Goodwill impairment loss $ 700    
Term used for projected net cash flows 2 years    
Discount rate 20.00%    
Growth rate 0.00%    
Certain Reporting Unit [Member]      
Goodwill [Line Items]      
Goodwill impairment loss   $ 900  
Term used for projected net cash flows   3 years  
Discount rate   16.90%  
Growth rate   0.00%  
Wireless Communications Products [Member]      
Goodwill [Line Items]      
Goodwill impairment loss $ 674 $ 879