Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation (Narrative) (Details)

v3.23.1
Share-based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2018
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Jul. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock option conversion ratio       100.00%    
Proceeds from stock option exercises       $ 336,610 $ 256,966  
Share-based compensation   $ 3,837,598 $ 2,124,941 $ 8,682,867 4,005,369  
Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period       3 years    
Share price   $ 1.16   $ 1.16    
Options, exercises in period, intrinsic value       $ 486,000 $ 489,000  
Unrecognized compensation expense, stock options   $ 38,700,000   $ 38,700,000    
Unrecognized compensation expense, period for recognition       2 years    
Share-based compensation       $ 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   6,792   6,792    
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   4,349,265   4,349,265    
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   3,895,250   3,895,250