Annual report [Section 13 and 15(d), not S-K Item 405]

Note 13 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)

v3.25.3
Note 13 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
Sep. 30, 2025
Sep. 30, 2024
Deferred tax assets:    
Federal net operating loss carryforwards $ 33,977,118 $ 34,485,560
State net operating loss carryforwards 4,821,234 3,662,406
Foreign net operating loss carryforwards – U.K. 3,153,044 3,510,437
Research and development tax credit carryforward 8,211,696 7,647,885
Research and development expense 11,276,599 8,969,277
Accrued compensation 852,988 911,277
Share-based compensation 12,735,324 10,198,368
Interest expense 2,220,525 2,241,652
Credit loss provision 951,057 885,562
Other, net 412,013 385,414
Gross deferred tax assets 78,611,598 72,897,838
Valuation allowance for deferred tax assets (78,611,598) (72,502,102)
Net deferred tax assets 0 395,736
Deferred tax liabilities:    
Change in fair value of derivative liability 0 (395,736)
Net deferred tax liabilities 0 (395,736)
Other Current Assets [Member]    
Deferred tax liabilities:    
Net deferred tax asset, total $ 0 $ 0