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Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value of Financial Instruments [Abstract]  
Summary of liabilities measured at fair value on a recurring basis
   December 31, 2017 
   Fair Value  Level 1  Level 2  Level 3 
              
 Description            
 Derivative liabilities $30   -  $30   - 
                  
   $30   -  $30   - 

 

   December 31, 2016 
   Fair Value  Level 1  Level 2  Level 3 
              
 Description            
 Derivative liabilities $32   -  $32   - 
                  
   $32   -  $32   -