Financial instruments (Tables)
 12 Months Ended
Dec. 31, 2017
Text block1 [abstract]  
Summary of Maturity Analysis of Trade Receivable

The following represents an analysis of the age of trade receivables as at December 31:

 

     2017      2016  

Current

    $ —        $ —    

Less than 30 days past billing date

      1,020        63  

31 to 60 days past billing date

      85        16  

61 to 90 days past billing date

      35        9  

Over 90 days past billing date

      —          19  
  

 

 

     

 

 

  
   $ 1,140      $ 107  
  

 

 

     

 

 

  

 

 
Summary of of maturity analysis of trade and other payables

The following represents an analysis of the age of accounts payable as at December 31:

 

     2017      2016  

Current

    $ 5,922      $ 147  

Less than 30 days past billing date

      803        150  

31 to 60 days past billing date

      113        33  

61 to 90 days past billing date

      66        16  

Over 90 days past billing date

      172        240  
  

 

 

     

 

 

  
   $ 7,076      $ 586