Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Narrative) (Details)

v3.19.1
Share-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Jul. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Proceeds from stock option exercises     $ 200,000    
Common Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares exercised 166,667 190,000      
Stock Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares exercised     166,667 0  
Proceeds from stock option exercises     $ 200,000    
Options, exercises in period, intrinsic value     $ 48,000    
Share price $ 1.46   $ 1.46    
Unrecognized compensation expense, stock options $ 2,700,000   $ 2,700,000    
Unrecognized compensation expense, period for recognition     3 years    
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock outstanding 0   0    
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    
Exercise price per share $ 0.95   $ 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    
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 190,868   190,868    
2018 Equity Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized 0   0 6,000,000  
Number of shares available 4,117,272   4,117,272