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Subordinated Convertible Debt with Related Parties (Details) - Subordinated Loan Facility [Member] - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2018
Apr. 17, 2018
Mar. 28, 2016
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Subordinated Convertible Debt with Related Parties (Textual)                    
Subordinated loan maximum amount borrowing facility     $ 750              
Minimum amount of advances that may be drawn     $ 50              
Subordinated loan facility, interest accrued interest per annum     12.00%              
Conversion price of loan into shares     $ 0.54              
Subordinated loan advance       $ 500     $ 500   $ 500  
Accrued PIK interest       151     151   $ 124  
Derivative liability                   $ 260
Change in derivative liability (expense)         $ (142)          
Modification in additional paid-in capital due to change in derivative liability         $ 402          
Conversion of loan amount $ 455 $ 455                
Principal amount   350                
Accrued interest   $ 105   $ 8   $ 27 $ 17 $ 34    
Common stock shares converted   842