XML 45 R31.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Note 8 - Shareholders' Equity (Tables)
9 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
  

June 30,

  

June 30,

 
  

2024

  

2023

 

Exercise price

  

$ 0.537

   

10.3555 -12.60600

 

Risk free interest rate

  4.34%  3.93% - 4.71% 

Volatility

  

107.21%

   106.48% - 106.51% 

Expected term (in years)

  

2.5

   2.5 - 4 

Dividend yield

 

None

  

None