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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2018
Jun. 30, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Income Tax [Line Items]            
Loss before income taxes $ (2,160)   $ (3,137) $ (4,398) $ (6,143)  
Effective tax rate for continuing operations 0.00%   0.00% 0.00% 0.00%  
Federal statutory effective tax rate   21.00%   21.00% 35.00% 28.00%
Unrecognized tax benefits $ 0   $ 0 $ 0 $ 0  
Weighted Average (Blended)            
Income Tax [Line Items]            
Federal statutory effective tax rate         28.00%