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

Contributed surplus (Narrative) (Details)

v3.19.1
Contributed surplus (Narrative) (Details)
12 Months Ended
Dec. 31, 2018
CAD ($)
shares
Dec. 31, 2017
CAD ($)
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Vesting terms of options Stock options vest over three years (33 1/3% per year) and expire after five years.  
Stock Options granted | shares 619,505 266,814
Weighted average exercise price $ 6.65 $ 2.4
Proceeds from options exercised 391,000 $ 109,000
Weighted average exercise price of options exercisable $ 2.33  
Stock option plan [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Maximum number of common shares issuable under the Plan | shares 3,437,500  
Stock options [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Terms of options The term of the option is determined by the Board of Directors, not to exceed ten years from the date of grant, however, the majority of options expire in five years.  
Vesting terms of options The vesting of the options is determined by the Board and beginning, January 1, 2018, is typically 33 1/3% every year after the date of grant.  
Cashless options exercised | shares 443,748 548,833
Options Issued | shares 297,626 238,130
Proceeds from options exercised $ 975,000 $ 1,227,000
Weighted average exercise price of options exercisable $ 4.09 $ 2.25
Stock options [Member] | Employees and consultants [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Terms of options five years five years
Stock Options granted | shares 619,505 266,813
Weighted average exercise price $ 6.65 $ 2.4
Stock Options granted, value 2,378,000 425,000
Weighted average grant date value per share $ 3.84 $ 1.6
Corporation stock option plan [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Maximum number of common shares issuable under the Plan | shares 3,437,500