Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Narrative) (Details)

v3.10.0.1
Share-Based Compensation (Narrative) (Details) - USD ($)
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Mar. 31, 2018
Jul. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Tax benefit of stock-based compensation expense $ 426,000 $ 304,000    
Proceeds from stock option exercises 66,000      
Options, exercises in period, intrinsic value 44,000      
Expense recognized $ 1,638,505 $ 756,275    
Common Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares exercised 55,000      
Common stock shares received   247,999    
Share price $ 1.42      
Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 3 years      
Award expiration period 10 years      
Shares exercised 55,000 0    
Proceeds from stock option exercises $ 66,000      
Unrecognized compensation expense, stock options 3,300,000      
Expense recognized $ 362,000      
Unrecognized compensation expense, period for recognition 3 years      
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period   190,000    
Fair value of awards   $ 181,000    
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense $ 10,000      
Restricted Stock Units (RSUs) [Member] | The APP Merger [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vest date Oct. 31, 2018      
Restricted Stock Units (RSUs) [Member] | Employee [Member] | The APP Merger [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares issued 50,000      
Restricted Stock Units (RSUs) [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      
Stock Appreciation Rights (SARs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award expiration period 10 years      
Unrecognized compensation expense $ 5,000      
Exercise price per share $ 0.95      
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      
Minimum [Member] | Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 1 year      
Maximum [Member] | Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 3 years      
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 190,288      
2018 Equity Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized     2,000,000  
Number of shares available 696,900