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Taxes (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Benefit for income taxes from continuing operations    
Current - domestic $ 0 $ 0
Current - foreign 993 1,983
Current - total 993 1,983
Deferred - domestic 0 0
Income tax benefit, total $ 993 $ 1,983