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

WARRANT DERIVATIVE LIABILITY (Detail)

v3.21.1
WARRANT DERIVATIVE LIABILITY (Detail) - 3 months ended Mar. 31, 2021
$ / shares
$ / shares
Disclosure of classes of share capital [line items]    
Exercised price of derivative warrants exercised   $ 1.00
Bottom of range [member] | Canadian Dollar [Member]    
Disclosure of classes of share capital [line items]    
Exercised price of derivative warrants expired $ 15.00  
Top of range [member] | Canadian Dollar [Member]    
Disclosure of classes of share capital [line items]    
Exercised price of derivative warrants expired $ 36.00