Registration statement for securities of certain foreign private issuers

Share Capital - Disclosure Of Shares Sold Pursuant To Share Purchase Agreement (Details)

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Share Capital - Disclosure Of Shares Sold Pursuant To Share Purchase Agreement (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Dec. 23, 2019
Mar. 31, 2020
Dec. 31, 2019
Aug. 29, 2019
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   54,216,877 39,907,681  
Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued 973,000 7,784,444 7,784,444 1,777,325
Value $ 423,440 $ 5,304,531 $ 5,304,531  
Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   4,408,048    
Value   $ 2,071,930    
November 8, 2019, One [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   100,000 100,000  
Value   $ 42,560 $ 42,560  
November 8, 2019,Two [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   100,000 100,000  
Value   $ 42,560 $ 42,560  
November 12, 2019, One [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   100,000 100,000  
Value   $ 42,970 $ 42,970  
November 12, 2019,Two [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   100,000 100,000  
Value   $ 42,000 $ 42,000  
November 13, 2019 [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   100,000 100,000  
Value   $ 42,970 $ 42,970  
November 14, 2019 [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   300,000 300,000  
Value   $ 128,910 $ 128,910  
November 15, 2019 [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   2,500,000 2,500,000  
Value   $ 1,074,250 $ 1,074,250  
November 19, 2019 [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   2,067,282 2,067,282  
Value   $ 888,311 $ 888,311  
August 30, 2019 [Member] | Aspire Capital Fund LLC [Member] | Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   2,417,162 2,417,162  
Value   $ 3,000,000 $ 3,000,000  
January 3, 2020 [Member] | Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   500,000    
Value   $ 219,600    
January 6, 2020 [Member] | Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   500,000    
Value   $ 229,300    
January 8, 2020 [Member] | Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   400,000    
Value   $ 195,160    
January 10, 2020 [Member] | Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   500,000    
Value   $ 247,550    
January 17, 2020 [Member] | Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   600,000    
Value   $ 303,000    
January 23, 2020 [Member] | Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   600,000    
Value   $ 295,320    
February 6, 2020 [Member] | Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   600,000    
Value   $ 282,000    
February 13, 2020 [Member] | Aspire Capital Fund LLC [Member] | Second Aspire Agreement [Member]        
Disclosure Of Shares Sold Pursuant To Share Purchase Agreement [Line Items]        
Common shares issued   708,048    
Value   $ 300,000