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General (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Revenues $ 322 $ 733
Net Income before controlling Interest (600) 931
Net Income $ (593) $ 948
Basic net income earnings per common share $ (0.50) $ 0.80
Diluted net income earnings per common share   $ 0.74