BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES - Potential stock issuances under various options, and warrants (Details) - shares	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	8,377,018	1,232,645
Warrants
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	7,313,963	745,268
Stock options
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	1,063,055	487,377