Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Financial Instruments - Additional Information (Detail)

v3.20.1
Financial Instruments - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CAD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2018
CAD ($)
Dec. 31, 2017
USD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Cash and cash equivalents $ 814,492   $ 11,471,243   $ 26,130,493
Accounts payable and accrued liabilities 11,441,668   6,447,888    
Warrant liability $ 3,621,444   11,250,167   $ 17,849,460
Changes in sensitivity interest rate 1.00% 1.00%      
Annual net loss changes due to interest rate effect $ 62,071   113,711    
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) $ 32,541   $ 192,059    
CDN Current assets, Accounts payable and Accrued liabilities [Member] | 5% strengthening of US Dollar against Canadian Dollar [member]          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Strengthening of currency against current assets   $ 556,276   $ 277,228  
Warrant liability [Member] | 5% strengthening of US Dollar against Canadian Dollar [member]          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Strengthening of currency against accounts payable and accrued liabilities   $ 868,855   $ 5,520,457