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Investment in Affiliated Company (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Equity Method Investments and Joint Ventures [Abstract]      
Investment in affiliate company, Beginning Balance $ 1,404 $ 1,248  
Exercise of Warrant investment 9,069    
Gain from Issuance of shares to third party 453 1,258  
Equity in net loss of affiliated company (2,905) 156 $ (108)
Investment in affiliate company, Ending Balance $ 7,568 $ 1,404 $ 1,248