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Subordinated Convertible Debt with Related Parties (Details) - Subordinated Loan Facility [Member] - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 31, 2018
Oct. 09, 2018
Apr. 30, 2018
Apr. 17, 2018
Mar. 28, 2016
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Subordinated Convertible Debt with Related Parties (Textual)                  
Subordinated lenders advanced amount         $ 50   $ 500 $ 500  
Term loan facility         $ 750        
Subordinated loan facility, interest accrues         12.00%        
Conversion price         $ 0.54        
Conversion of loan amount $ 522 $ 67 $ 522 $ 455          
Principal amount   50   350          
Accrued interest   $ 17   $ 105          
Common stock shares converted   125   842          
Incurred interest             37 71  
Derivative liability                 $ 260
Change in derivative liability (expense)           $ (142)      
Modification in additional paid-in capital due to change in derivative liability           $ 402      
PIK interest accrued             $ 39 $ 124