Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

SHARE CAPITAL - Summary of Options Outstanding (Detail)

v3.21.1
SHARE CAPITAL - Summary of Options Outstanding (Detail)
 3 Months Ended
Mar. 31, 2021
shares
$ / shares
Mar. 31, 2021
shares
$ / shares
Canadian Dollar [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Number of Stock Options, Balance at January 1, 2021 | shares 833,965 833,965
Number of Stock Options, Granted | shares
Number of Stock Options, Exercised | shares
Number of Stock Options, Expired / forfeited | shares (20,443) (20,443)
Number of Stock Options, Balance at March 31, 2021 | shares 813,522 813,522
Weighted Average Exercise Price, Balance at January 1, 2021 | $ / shares $ 5.10  
Weighted Average Exercise Price, Granted | $ / shares  
Weighted Average Exercise Price, Exercised | $ / shares  
Weighted Average Exercise Price, Expired / forfeited | $ / shares 6.84  
Weighted Average Exercise Price, Balance at March 31, 2021 | $ / shares $ 4.22  
US Dollar [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Number of Stock Options, Balance at January 1, 2021 | shares 2,089,805 2,089,805
Number of Stock Options, Granted | shares 1,801,262 1,801,262
Number of Stock Options, Exercised | shares (19,568) (19,568)
Number of Stock Options, Expired / forfeited | shares
Number of Stock Options, Balance at March 31, 2021 | shares 3,871,499 3,871,499
Weighted Average Exercise Price, Balance at January 1, 2021 | $ / shares   $ 1.13
Weighted Average Exercise Price, Granted | $ / shares   2.21
Weighted Average Exercise Price, Exercised | $ / shares   0.73
Weighted Average Exercise Price, Expired / forfeited | $ / shares  
Weighted Average Exercise Price, Balance at March 31, 2021 | $ / shares   $ 1.64