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Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2016
Finite-Lived Intangible Assets, Net [Abstract]  
Intangible Assets

Intangible assets were as follows:

 

     Estimated weighted
average useful life
in years
     2016      2015  

Cost

        

Customer relationship intangibles [note 7]

     12      $ 392      $ 134  

Computer software

     4        316        278  

Patent and licenses

     15        278        39  
     

 

 

    

 

 

 
        986        451  

Accumulated depreciation

        

Customer relationship intangibles [note 7]

        (96      (53

Computer software

        (242      (221

Patent and licenses

        (27      (8
     

 

 

    

 

 

 
      $ 621      $ 169