v3.22.1
SHARE CAPITAL - Warrants (Detail)
 12 Months Ended
Sep. 30, 2021
shares
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2021
CAD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
shares
Oct. 27, 2021
$ / shares
Dec. 31, 2020
$ / shares
shares
Warrant Disclosure [Line Items]              
Number of warrants outstanding       2,874,058     10,486,412
Replacement options issued       248,412      
Fair value of replacement options issued | $     $ 4,452,917   $ 4,452,917    
Warrants [Abstract]              
Balance at the beginning of the year, number     10,486,412 10,486,412 16,060,858    
Balance at the beginning of the year, amount | $     $ 6,515,753   $ 9,979,446    
Exercise of Warrants, number     (7,555,130) (7,555,130) (5,574,446)    
Forfeitures of Warrants, due to expiration 57,224   (57,224) (57,224)      
Forfeitures of Warrants, due to expiration, amount | $     $ (35,556)        
Exercise of Warrants, amount | $     $ (4,694,395)   $ (3,463,693)    
Fair value adjustments, amount | $       $ 0.62      
Balance at the end of the year, number   10,486,412 2,874,058 2,874,058 10,486,412    
Balance at the end of the year, amount | $   $ 6,515,753 $ 1,785,802   $ 6,515,753    
Warrants              
Warrant Disclosure [Line Items]              
Number of warrants outstanding       16,400,000     400,000
Exercise price of warrants | (per share)           $ 9.07 $ 11.50
Period after the completion of the Qualifying Transaction upon which warrants are eligible for conversion   65 days          
Warrants expiration period after the completion of the Qualifying Transaction   5 years          
Incentive payment for warrant exercises | $ / shares       $ 0.75     0.50
Exercise price after inventive payment | $ / shares       $ 10.75     $ 11.00
Warrants [Abstract]              
Balance at the beginning of the year, number     400,000 400,000      
Fair value adjustments, amount | $     $ 4,500,000   $ 7,000,000.0    
Balance at the end of the year, number   400,000 16,400,000 16,400,000 400,000    
Warrants | Subordinate Voting Shares              
Warrant Disclosure [Line Items]              
Number of securities into which each warrants may be converted       1     1