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Goodwill and Other Intangible Assets, Net (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Goodwill and Other Intangible Assets, Net (Textual)      
Amortization expenses $ 57 $ 57 $ 64