SHAREHOLDERS' EQUITY (Schedule of Share Based Compensation Expenses) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Employee Share Purchase Plan [Member]
SHAREHOLDERS' EQUITY
Compensation Expense	$ 26,504	$ 0	$ 32,639	$ 0
Employee Share Purchase Plan [Member] | Research and Development [Member]
SHAREHOLDERS' EQUITY
Compensation Expense	9,123	0	14,693	0
Employee Share Purchase Plan [Member] | General and Administrative Expenses [Member]
SHAREHOLDERS' EQUITY
Compensation Expense	17,381	0	17,946	0
Stock Options Plan [Member]
SHAREHOLDERS' EQUITY
Compensation Expense	2,637,182	3,584,617	3,836,032	4,838,238
Stock Options Plan [Member] | Research and Development [Member]
SHAREHOLDERS' EQUITY
Compensation Expense	782,846	1,029,488	1,064,700	1,181,895
Stock Options Plan [Member] | General and Administrative Expenses [Member]
SHAREHOLDERS' EQUITY
Compensation Expense	$ 1,854,336	$ 2,555,129	$ 2,771,332	$ 3,656,343