Annual report pursuant to Section 13 and 15(d)

Note 11 - Share-based Compensation (Details Textual)

v3.24.4
Note 11 - Share-based Compensation (Details Textual) - USD ($)
12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2017
Jun. 30, 2022
Mar. 31, 2018
Jul. 31, 2017
Share-Based Payment Arrangement, Expense, Tax Benefit $ 3,100,000 $ 4,000,000        
Share-Based Payment Arrangement, Expense $ 13,644,405 17,918,603        
Share Price (in dollars per share) $ 0.77          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value   500,000        
Proceeds from Stock Options Exercised $ 3,280 389,058        
Share-Based Payment Arrangement, Option [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years          
Share-Based Payment Arrangement, Expense $ 1,900,000 $ 1,900,000        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 11,700,000          
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 7 months 6 days          
Stock Appreciation Rights (SARs) [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)     10 years      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)     $ 0.95      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 50,000 50,000        
Stock Appreciation Rights (SARs) [Member] | Share-Based Payment Arrangement, Nonemployee [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years          
Stock Appreciation Rights (SARs) [Member] | Share-Based Payment Arrangement, Employee [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     50,000      
The 2022 Employment Inducement Equity Incentive Plan [Member]            
Common Stock, Capital Shares Reserved for Future Issuance (in shares) 3,967,083     4,000,000    
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member]            
Common Stock, Capital Shares Reserved for Future Issuance (in shares) 1,817,159          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)         18,500,000  
The 2017 Equity Incentive Plan [Member]            
Common Stock, Capital Shares Reserved for Future Issuance (in shares) 11,085          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)           4,700,000
The 2008 Stock Incentive Plan [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)           0