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Cash and cash equivalents
12 Months Ended
Dec. 31, 2017
Text block1 [abstract]  
Cash and cash equivalents
6. Cash and cash equivalents

 

    

      December 31, 2017

$

    

    December 31, 2016

$

 

Cash at bank and on hand

     293,437        282,021  

Short-term bank deposits

     186,064        601,150   
     479,501        883,171