Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation (Narrative) (Details)

v3.22.4
Share-based Compensation (Narrative) (Details) - USD ($)
3 Months Ended
Oct. 31, 2016
Dec. 31, 2022
Dec. 31, 2021
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   $ 257,132 $ 209,869  
Share-based compensation   $ 4,845,269 1,880,428  
Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   3 years    
Share price   $ 5.28    
Options, exercises in period, intrinsic value   $ 355,000 $ 447,000  
Unrecognized compensation expense, stock options   $ 49,600,000    
Unrecognized compensation expense, period for recognition   2 years 2 months 12 days    
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    
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    
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   767    
2018 Equity Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized   18,500,000    
Number of shares available   3,900,900    
2022 Inducement Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized   4,000,000    
Number of shares available   3,587,950