Quarterly report [Sections 13 or 15(d)]

Note 13 - Income Taxes (Tables)

v3.25.1
Note 13 - Income Taxes (Tables)
6 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   

Three Months Ended

   

Six Months Ended

 
   

March 31,

   

March 31,

 
   

2025

   

2024

   

2025

   

2024

 
                                 

Income tax benefit at U.S. federal statutory rates

  $ (1,649,002 )   $ (1,827,651 )   $ (2,029,082 )   $ (3,437,801 )

State income tax benefit, net of federal benefit

    (127,680 )     (141,512 )     (157,109 )     (266,184 )

Non-deductible expenses

    19,874       596       20,613       708  

U.S. research and development tax credit

    (197,911 )     (247,000 )     (428,708 )     (417,000 )

Change in valuation allowance

    1,954,719       2,215,567       2,594,286       4,120,277  

Income tax expense

  $     $     $     $