v3.22.2.2
Commitments and Contingencies (Tables)
12 Months Ended
Sep. 30, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule of exercisable share purchase warrants outstanding
                   
        Weighted
        Average
    Number of   Exercise
    Shares   Price ($)
  Balance, September 30, 2021       210,000       5.69  
  Forfeited       (50,000 )     12.00  
  Balance, September 30, 2022       160,000       3.72  

Schedule of share purchase warrants outstanding
               
Number   Exercise Price   Expiry Date
  150,000     $ 3.17     May 6, 2024
  10,000     $ 12.00     April 21, 2026
  160,000              

Schedule of outstanding stock purchase options
                      
      Weighted  Weighted   
      Average  Average Grant   
   Number of  Exercise Price  Date Fair Value  Aggregate
   Shares  ($)  ($)  intrinsic value ($)
 Outstanding, September 30, 2021    11,330,903    5.74         140,132,451 
 Granted    2,358,000    10.13    7.07     
 Forfeited    (118,750)   6.86    5.23     
 Exercised    (400,537)   2.52    1.88    4,201,015 
 Outstanding, September 30, 2022    13,169,616    6.61         62,267,309 
 Exercisable, September 30, 2022    8,777,113    4.40         55,173,997 

Summarizes information about stock options
                                                   
        Weighted            
        average   Weighted       Weighted
    Number of   remaining   average       average
Range of exercise prices   outstanding   contractual life   exercise   Number of   exercise
From   To   options   (in years)   price ($)   vested options   price ($)
$ 0.92      $ 2.96       3,903,762       5.12       2.30       3,883,345       2.30  
$ 3.15      $ 4.80       2,078,800       5.34       3.30       2,063,800       3.29  
$ 5.04      $ 8.98       3,957,054       6.07       6.28       2,365,387       6.31  
$ 9.20      $ 13.01       1,698,000       9.58       10.50       109,581       12.40  
$ 13.22      $ 24.58       1,532,000       8.44       18.23       355,000       18.66  
                  13,169,616                       8,777,113          
Schedule of general and administrative expenses and research and development expenses
                       
    2022   2021   2020
General and administrative   $ 7,129,412     $ 3,571,335     $ 2,210,789  
Research and development     11,249,830       4,660,068       2,666,117  
Total stock-based compensation   $ 18,379,242     $ 8,231,403     $ 4,876,906  
Schedule of weighted average assumptions for fair value of each option award
                       
    2022   2021   2020
Risk-free interest rate     3.11 %     0.73 %     1.57 %
Expected life of options (years)     5.57       5.74       5.53  
Annualized volatility     84.17 %     93.43 %     95.99 %
Dividend rate     0.00 %     0.00 %     0.00 %