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

FINANCIAL INSTRUMENTS - Additional Information (Detail)

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FINANCIAL INSTRUMENTS - Additional Information (Detail)
12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CAD ($)
Dec. 31, 2018
USD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Cash and cash equivalents $ 25,468,805   $ 814,492   $ 11,471,243
Accounts payable and accrued liabilities 7,330,946   11,441,968    
Warrant liability $ 36,316,681   3,621,444   $ 11,250,167
Changes in sensitivity interest rate 1.00% 1.00%      
Annual net loss changes due to interest rate effect $ 161,549   62,071    
5% strengthening of US Dollar against Canadian Dollar [member]          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Profit of (Loss) $ 219,010   $ 32,541    
5% strengthening of US Dollar against Canadian Dollar [member] | Warrant Liability [Member]          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Strengthening of currency against accounts payable and accrued liabilities   $ 5,497,342   $ 868,855  
5% strengthening of US Dollar against Canadian Dollar [member] | C D N Current Assets And Accounts Payable And Accrued Liabilities [Member]          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Strengthening of currency against current assets   $ 366,767   $ 556,276