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SHAREHOLDERS' EQUITY (Summary of Warrants Outstanding) (Details) - $ / shares
Apr. 07, 2021
Mar. 31, 2021
Sep. 30, 2020
Sep. 30, 2019
Warrant outstanding and Exercise price        
Number of Warrants   6,728,398 9,272,977 12,393,092
Exercise price (in dollars per share)   $ 2.35 $ 1.73 $ 1.31
Warrants Exercise Price $66.00 [Member]        
Warrant outstanding and Exercise price        
Number of Warrants   227,273    
Exercise price (in dollars per share)   $ 66.00    
Expiry Date   Jan. 14, 2023    
Warrants Exercise Price $42.80 [Member]        
Warrant outstanding and Exercise price        
Number of Warrants   7,477    
Exercise price (in dollars per share)   $ 42.80    
Expiry Date   Nov. 18, 2023    
Warrants Exercise Price $4.00 [Member]        
Warrant outstanding and Exercise price        
Number of Warrants   123,648    
Exercise price (in dollars per share)   $ 4.00    
Expiry Date   Jan. 09, 2023    
Warrants Exercise Price $0.0001 [Member]        
Warrant outstanding and Exercise price        
Number of Warrants   6,370,000    
Exercise price (in dollars per share)   $ 0.0001    
Expiry Date   Aug. 23, 2024    
Subsequent Event [Member]        
Warrant outstanding and Exercise price        
Number of broker warrants exercised 43,648