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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
Mar. 28, 2016
Mar. 31, 2018
Mar. 31, 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  
Accrued PIK interest   143   $ 124  
Derivative liability         $ 260
Change in derivative liability (expense)     $ (142)    
Modification in additional paid-in capital due to change in derivative liability     402    
Increase in interest related to subordinated loan   $ 19 $ 177