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STOCK OPTIONS AND WARRANTS - Employee Stock Options - Additional Information (Details)
12 Months Ended
Sep. 30, 2019
USD ($)
Options
$ / shares
shares
Sep. 30, 2018
USD ($)
Options
$ / shares
shares
May 17, 2019
shares
May 16, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation expense | $ $ 1,129,110 $ 1,356,351    
Unrecorded compensation cost related to non-vested awards | $ $ 434,553      
Weighted average period of non-vested awards options 7 months 10 days      
Weighted average grant date fair value for options granted | $ / shares $ 11.51 $ 30.00    
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation expense | $ $ 221,046 $ 145,053    
Stock options | Employees, consultants and non-employee board of director members        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares granted 86,349 54,704    
Number of stock option modified | Options 35,040 16,667    
Stock options | Executives        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares granted   12,500    
Stock options | Incentive Stock Plan 2005 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance of common stock as stock awards and stock options     358,334 208,334
Issuance of additional common stock as stock awards and stock options 20,834      
Cumulative number of shares issued 6,894      
Options to purchase shares under the 2005 Incentive stock plan 212,271      
Number of shares granted 86,349