SHAREHOLDERS' EQUITY (Summary of Stock Option Activity) (Details) - $ / shares	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Number of Options
Beginning balance (in shares)	6,803,230	5,309,584
Options granted (in shares)	1,347,500	1,889,646
Options exercised (in shares)	(72,910)	(323,610)
Options expired/forfeited (in shares)	(175,759)	(72,390)
Ending balance (in shares)	7,902,061	6,803,230
Balance exercisable (in shares)	4,628,477
Weighted Average Exercise Price
Beginning balance (in dollars per share)	$ 5.20	$ 3.42
Options granted (in dollars per share)	4.55	9.87
Options exercised (in dollars per share)	(4.41)	(3.68)
Options expired/forfeited (in dollars per share)	(3.60)	(4.46)
Ending balance (in dollars per share)	5.13	$ 5.20
Options exercisable (in dollars per share)	$ 4.59