Annual report pursuant to Section 13 and 15(d)

REGISTERED DIRECT OFFERINGS (Details)

v3.21.2
REGISTERED DIRECT OFFERINGS (Details)
12 Months Ended
May 12, 2019
item
$ / shares
shares
Jul. 02, 2018
item
$ / shares
shares
Feb. 24, 2017
item
$ / shares
shares
Sep. 30, 2021
shares
Sep. 30, 2020
shares
Sep. 30, 2016
USD ($)
Shelf Registration Statement, Maximum Amount Authorized | $           $ 50,000,000
Series F Warrant [Member]            
Number of warrants exercised       0 0  
Number of shares may be acquired upon exercise       5,591,664    
Series G Warrant [Member]            
Number of warrants exercised       0 0  
Number of shares may be acquired upon exercise       6,802,500    
Series H Warrant [Member]            
Number of warrants exercised       0 0  
Number of shares may be acquired upon exercise       8,615,384    
REGISTERED DIRECT OFFERING 2017 [Member]            
Number of accredited investors | item     6      
Number of shares issued during the period     10,166,664      
Shares Issued, Price Per Share | $ / shares     $ 0.60      
REGISTERED DIRECT OFFERING 2017 [Member] | Series F Warrant [Member]            
Percentage of warrant per unit     55.00%      
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares     $ 0.75      
REGISTERED DIRECT OFFERINGS 2018 [Member]            
Number of accredited investors | item   8        
Number of shares issued during the period   9,070,000        
Shares Issued, Price Per Share | $ / shares   $ 0.50        
REGISTERED DIRECT OFFERINGS 2018 [Member] | Series G Warrant [Member]            
Percentage of warrant per unit   75.00%        
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares   $ 0.70        
Registered Direct Offering 2019 [Member]            
Number of accredited investors | item 5          
Number of shares issued during the period 8,615,384          
Shares Issued, Price Per Share | $ / shares $ 0.325          
Registered Direct Offering 2019 [Member] | Series H Warrant [Member]            
Warrants to purchase shares of Common Stock 1          
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares $ 0.40