Annual report pursuant to Section 13 and 15(d)

Note 14 - Income Taxes - Schedule of Reconciliation (Details)

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Note 14 - Income Taxes - Schedule of Reconciliation (Details) - USD ($)
12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Income tax benefit at U.S. federal statutory rates $ (7,786,028) $ (19,461,222)
Income tax benefit at U.S. federal statutory rates, percent 21.00% 21.00%
State income tax benefit, net of federal benefits $ (602,861) $ (1,506,855)
State income tax benefit, net of federal benefits, percent 1.60% 1.60%
Non-deductible expenses $ 200,233 $ 330,281
Non-deductible expenses, percent (0.50%) (0.30%)
U.S. research and development tax credit $ 655,526 $ 178,378
U.S. research and development tax credit, percent (1.80%) (0.20%)
Effect of foreign income tax rates $ 292,970 $ 454,808
Effect of foreign income tax rates, percent (0.80%) (0.50%)
Effect of common stock options exercised $ 13,339 $ 180,847
Effect of common stock options exercised, percent 0.00% (0.20%)
Effect of global intangible low-taxed income $ 500,613 $ (24,691)
Effect of global intangible low-taxed income, percent (1.40%) (0.00%)
Change in valuation allowance $ 7,367,014 $ 20,205,808
Change in valuation allowance, percent (19.90%) (21.80%)
Other, net $ 84,295 $ 122,852
Other, net, percent (0.20%) (0.10%)
Income tax expense $ 725,101 $ 480,206
Income tax expense, percent (2.00%) (0.50%)