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SHAREHOLDERS EQUITY (Summary of Stock Option Activity) (Details)
 12 Months Ended
Sep. 30, 2023
$ / shares
shares
Sep. 30, 2022
$ / shares
shares
Number of Options    
Beginning balance (in shares) | shares 7,902,061 6,803,230
Options granted (in shares) | shares 300,000 1,347,500
Options exercised (in shares) | shares   (72,910)
Options expired/forfeited (in shares) | shares (89,287) (175,759)
Ending balance (in shares) | shares 8,112,774 7,902,061
Balance exercisable (in shares) | shares 6,444,885  
Weighted Average Exercise Price    
Beginning balance (in dollars per share) | $ / shares $ 5.13 $ 5.20
Options granted (in dollars per share) | $ / shares 2.97 4.55
Options exercised (in dollars per share) | $ / shares   (4.41)
Options expired/forfeited (in dollars per share) | $ / shares (12.27) (3.60)
Ending balance (in dollars per share) | $ / shares 4.97 $ 5.13
Options exercisable (in dollars per share) | $ / shares $ 4.79