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Stock Based Compensation (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Stock Based Compensation Details Narrative Abstract        
Share-based compensation expense $ 139 $ 122 $ 307 $ 237
Unrecognized compensation cost $ 1,580   $ 1,580  
Unrecognized compensation cost recognition period     3 years