Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation (Narrative) (Details)

v3.22.0.1
Share-based Compensation (Narrative) (Details) - USD ($)
3 Months Ended
Dec. 31, 2021
Dec. 31, 2020
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 $ 209,869 $ 623,819  
Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Share price $ 5.89    
Options, exercises in period, intrinsic value $ 447,000 $ 2,400,000  
Unrecognized compensation expense, stock options $ 19,700,000    
Unrecognized compensation expense, period for recognition 2 years 1 month 6 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]      
Award term 10 years    
Exercise price per share $ 0.95    
Vested shares 50,000    
Stock Appreciation Rights (SARs) [Member] | The APP Merger [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vest date Oct. 31, 2018    
Stock Appreciation Rights (SARs) [Member] | Employee [Member] | The APP Merger [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares issued 50,000    
Stock Appreciation Rights (SARs) [Member] | Outside Directors [Member] | The APP Merger [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 18,767    
2018 Equity Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized 11,000,000.0    
Number of shares available 666,254