BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES - Potential stock issuances under various options, and warrants (Details) - shares	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	7,684,872	8,301,729
Warrants
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	5,213,213	7,295,588
Restricted Stock Units
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	282,640
Employee Stock Option
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	2,189,019	1,006,141