Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation (Narrative) (Details)

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Share-based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2018
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Jul. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock option conversion ratio       100.00%    
Options exercised       0    
Proceeds from stock option exercises         $ 336,610  
Share-based compensation   $ 3,634,171 $ 3,837,598 $ 7,041,120 8,682,867  
Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period       3 years    
Share price   $ 0.70   $ 0.70    
Options, exercises in period, intrinsic value         486,000  
Unrecognized compensation expense, stock options   $ 17,200,000   $ 17,200,000    
Unrecognized compensation expense, period for recognition       1 year 7 months 6 days    
Share-based compensation   $ 300,000 $ 1,400,000 $ 1,400,000 $ 1,400,000  
Stock Option [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award term       10 years    
Stock Appreciation Rights (SARs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting date Oct. 31, 2018          
Award term 10 years          
Exercise price per share $ 0.95          
Vested shares   50,000   50,000    
Stock Appreciation Rights (SARs) [Member] | Employee [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares issued 50,000          
Stock Appreciation Rights (SARs) [Member] | Directors [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares issued 140,000          
2008 Stock Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized   0   0    
2017 Equity Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized           4,700,000
Number of shares available   260,605   260,605    
2018 Equity Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized   18,500,000   18,500,000    
Number of shares available   3,010,363   3,010,363    
2022 Inducement Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized   4,000,000   4,000,000    
Number of shares available   3,967,083   3,967,083