Quarterly report pursuant to Section 13 or 15(d)

Note 10 -Share-based Compensation (Tables)

v3.24.2.u1
Note 10 -Share-based Compensation (Tables)
9 Months Ended
Jun. 30, 2024
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended

   

Nine Months Ended

 
   

June 30,

   

June 30,

 
   

2024

   

2023

   

2024

   

2023

 
                                 

Cost of sales

  $ 103,058     $ 112,515     $ 294,147     $ 263,879  

Selling, general and administrative

    2,514,816       3,667,599       8,046,144       10,183,510  

Research and development

    758,532       770,718       2,077,235       2,786,310  

Share-based compensation

  $ 3,376,406     $ 4,550,832     $ 10,417,526     $ 13,233,699  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   

Three Months Ended

   

Nine Months Ended

 
   

June 30,

   

June 30,

 
   

2024

   

2023

   

2024

   

2023

 

Weighted Average Assumptions:

                               

Expected volatility

    109.64 %     104.96 %     108.86 %     101.37 %

Expected dividend yield

    0.00 %     0.00 %     0.00 %     0.00 %

Risk-free interest rate

    4.48 %     3.51 %     4.49 %     3.92 %

Expected term (in years)

    6.0       6.0       6.0       6.0  

Fair value of options granted

  $ 1.37     $ 1.12     $ 1.22     $ 5.55  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
           

Weighted Average

         
                   

Remaining

   

Aggregate

 
   

Number of

   

Exercise Price

   

Contractual Term

   

Intrinsic

 
   

Shares

   

Per Share

   

(years)

   

Value

 
                                 

Outstanding at September 30, 2023

    17,367,643     $ 5.28                  

Granted

    2,281,500     $ 1.45                  

Exercised

    (2,734 )   $ 1.20                  

Forfeited and expired

    (1,050,081 )   $ 8.51                  

Outstanding at June 30, 2024

    18,596,328     $ 4.63       6.62     $ 76,000  

Exercisable at June 30, 2024

    12,838,518     $ 4.42       5.61     $