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Lease receivable (Tables)
 9 Months Ended
Sep. 30, 2020
Lease Receivables [Abstract]  
Disclosure Of Detailed Information About Lease Receivable Activity Explanatory
Lease receivable relates to the lease component of
sub-leased
office space. Total lease receivable included in the Consolidated Balance Sheets is as follows:
 
   
Nine months ended

September 30, 2020
   Year ended
December 31, 2019		 
Balance, beginning of period
  
$
39
 
  $43 
Additions (terminations)
  
 
(37
) 
   3 
Finance income
  
 
—  
 
   2 
Lease payments received
  
 
(2
) 
   (9) 
  
 
 
   
 
 
 
Balance, end of period
  
$
—  
 
  $39 
  
 
 
   
 
 
 
Current portion
  
$
—  
 
  $9 
Long-term portion
  
$
—  
 
  $30