XML 83 R63.htm IDEA: XBRL DOCUMENT v3.10.0.1
Financial instruments (Tables)
12 Months Ended
Dec. 31, 2018
Financial Instruments [Abstract]  
Disclosure of nature and extent of risks arising from financial instruments
The following exchange rates applied during the year ended December 31, 2018:
 
$U.S. to $1.00 CDN
 
$CDN to $1.00 U.S.
January 1, 2018 Opening rate
$0.798
 
$1.254
December 31, 2018 Closing rate
$0.734
 
$1.363
Fiscal 2018 Average rate
$0.772
 
$1.296