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Convertible Debentures (Tables)
 6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Text Block [Abstract]    
Summary of Convertible Debentures  
 
    
December 31, 2021 
    
December 31, 2020 
  
     
2019 Convertible debentures liability (a)
   $ 22,185,170      $                         19,534,988   
     
2021 Convertible debentures liability (b)
     69,034        –   
     
2021 Convertible debentures embedded derivative (b)
     41,506        –   
     
Total
  
$
                        22,295,710
 
 
  
$
19,534,988
 
 
Current debentures
   $                         22,185,170      $ –   
     
Non-current debentures
     110,540        19,534,988   
     
   
$
22,295,710
 
 
  
$
                        19,534,988
 
 
Summary of Components of Convertible Debentures
2019 Convertible debentures
     
          June 30, 2022 
     
 December 31, 2021 
  
     
 Opening balance
    $ 22,380,649      $ 19,767,472   
     
 Interest paid
      (1,172,875)        (2,345,750)  
     
 Accreted interest at effective interest rate
      2,445,205        4,958,927   
     
 Carrying amount of liability component
    $ 23,652,979      $ 22,380,649   
     
 Less: interest payable
      (195,479)        (195,479)  
     
 Total - current
   
$
23,457,500
 
   
$
22,185,170 
 
    
December 31, 2021 
    
December 31, 2020 
  
     
Opening balance
   $                         19,767,472      $                         17,753,016   
     
Conversion of debentures into common shares
     –        (50,000)  
     
Interest paid
     (2,345,750)       (2,345,750)  
     
Accreted interest at effective interest rate
     4,958,927        4,410,206   
     
Carrying amount of liability component
   $ 22,380,649      $ 19,767,472   
     
Less: interest payable
     (195,479)       (232,484)  
     
Total
  
$
22,185,170
 
 
  
$
19,534,988
 
 
     
December 31, 2021
  
   
Proceeds from issue of convertible debentures
    $                 11,328,870  
   
Fair value adjustments (Note 23)
      1,615,102  
   
Total fair value of convertible debentures
      12,943,972  
   
Less: fair value of embedded derivative
      (5,060,776 ) 
   
Less: transaction costs
1
      (660,604 ) 
   
Carrying value of liability at inception
      7,222,592  
   
Interest expense associated with liability
      813,615  
   
Debt extinguishment, including interest payable
      (7,735,230 ) 
   
Foreign exchange adjustments
      (224,286 ) 
   
       76,691  
   
Less: accrued interest included in accrued liabilities
      (7,657 ) 
   
Carrying value of liability at end of period
2
   
$
69,034
 
 
 
1
 
Total transaction costs were $1,061,854 which include cash compensation paid to brokers and the value of 115,760 broker warrants issued. Transaction costs of $401,250 allocated to the embedded derivative portion of the convertible debentures were expensed in finance costs in the consolidated statements of loss and comprehensive loss for the year ended December 31, 2021.
 
 
2
 
Convertible debt in the principal amount of US$75,000 which matures January 2024, bears interest at 8% per annum and is convertible to the Company’s shares at a conversion price of $5.84 (US$4.59).
Summary of Reconciliation of Embedded Derivatives  
     
December 31, 2021
  
   
Fair value of embedded derivative at inception
    $                 5,060,776  
   
Fair value decrease
1
      (784,261 ) 
   
Derecognition of embedded derivative on conversion
      (4,214,198 ) 
   
Foreign exchange adjustments
      (20,811 ) 
   
Balance, embedded derivative
   
$
41,506
 
 
 
1
The fair value of the embedded derivative is remeasured at the end of each reporting period and on conversion and recognized in fair value (gain) loss on derivatives in the consolidated statements of loss and comprehensive loss (Note 23).