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

SHARE CAPITAL - Summary of Options Outstanding (Detail)

v3.20.2
SHARE CAPITAL - Summary of Options Outstanding (Detail)
 9 Months Ended 12 Months Ended
Sep. 30, 2020
shares
$ / shares
Sep. 30, 2020
shares
$ / shares
Dec. 31, 2019
shares
$ / shares
Dec. 31, 2019
shares
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Number of Stock Options, Balance Ending 2,362,163 2,362,163    
Canadian Dollar [Member]        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Number of Stock Options, Balance Beginning 860,379 860,379 875,433 875,433
Number of Stock Options, Granted 75,494 75,494 35,719 35,719
Number of Stock Options, Expired/Forfeited (40,515) (40,515) (50,773) (50,773)
Number of Stock Options, Balance Ending 895,358 895,358 860,379 860,379
Weighted-average Exercise Price, Balance Beginning | $ / shares   $ 5.89   $ 18.20
Weighted-average Exercise Price, Granted | $ / shares   0.94   4.54
Weighted-average Exercise Price, Expired/Forfeited | $ / shares   11.56   31.79
Weighted-average Exercise Price, Balance Ending | $ / shares   $ 5.22   $ 5.89
US Dollar [Member]        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Number of Stock Options, Balance Beginning 854,042 854,042 50,349 50,349
Number of Stock Options, Granted 1,374,291 1,374,291 843,693 843,693
Number of Stock Options, Expired/Forfeited (761,528) (761,528) (40,000) (40,000)
Number of Stock Options, Balance Ending 1,466,805 1,466,805 854,042 854,042
Weighted-average Exercise Price, Balance Beginning | $ / shares $ 2.65   $ 1.55  
Weighted-average Exercise Price, Granted | $ / shares 0.96   2.72  
Weighted-average Exercise Price, Expired/Forfeited | $ / shares 2.66   3.72  
Weighted-average Exercise Price, Balance Ending | $ / shares $ 1.06   $ 2.65