Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Significant accounting policies, judgments and estimation uncertainty (Narrative) (Details)

v3.19.1
Significant accounting policies, judgments and estimation uncertainty (Narrative) (Details) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of detailed information about borrowings [line items]    
Foreign exchange gain loss $ 139 $ 10
Vesting period Stock options vest over three years (33 1/3% per year) and expire after five years.  
Government assistance $ 7 10
Long-term debt $ 8,069 $ 6,476
Percentage of increase or decrease in total forecasted revenue 10.00%  
Forecasted revenue  
Period of forecasted revenue two years  
AIF loans [Member]    
Disclosure of detailed information about borrowings [line items]    
Discount rate on loans 35.00%  
Weighted average discount rate higher by 10%, or lower by 10%  
Long-term debt $ 1,440  
Loans payable  
AIF loans [Member] | Bottom of range [Member]    
Disclosure of detailed information about borrowings [line items]    
Long-term debt 728  
AIF loans [Member] | Top of range [Member]    
Disclosure of detailed information about borrowings [line items]    
Long-term debt 1,036  
Loans payable $ 3,193  
Province loan [Member]    
Disclosure of detailed information about borrowings [line items]    
Discount rate on loans 11.00%  
Province loan [Member] | Bottom of range [Member]    
Disclosure of detailed information about borrowings [line items]    
Discount rate on loans 6.00%  
Long-term debt $ 325  
Province loan [Member] | Top of range [Member]    
Disclosure of detailed information about borrowings [line items]    
Discount rate on loans 16.00%  
Long-term debt $ 353  
Province loan [Member] | Weighted average [Member]    
Disclosure of detailed information about borrowings [line items]    
Discount rate on loans 5.00%