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

Share Capital - Summary of Options Outstanding (Detail)

v3.19.1
Share Capital - Summary of Options Outstanding (Detail)
12 Months Ended
Dec. 31, 2018
CAD ($)
Dec. 31, 2017
CAD ($)
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Number of Stock Options, Balance Beginning 591,609 240,075
Number of Stock Options, Granted 372,866 394,830
Number of Stock Options, Expired/Forfeited (38,693) (43,296)
Number of Stock Options, Balance Ending 925,782 591,609
Weighted-average Exercise Price, Balance Beginning $ 21.30 $ 33.00
Weighted-average Exercise Price, Granted 11.97 15.60
Weighted-average Exercise Price, Expired/Forfeited 24.90 34.80
Weighted-average Exercise Price, Balance Ending $ 17.32 $ 21.30