BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES - Potential stock issuances under various options, and warrants (Details) - shares	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	9,777,199	3,303,106	9,777,199	3,303,106
Warrants
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	7,295,588	2,239,963	7,295,588	2,239,963
Stock options
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Antidilutive securities excluded from the computation of diluted net loss per share	2,198,971	1,063,143	2,198,971	1,063,143
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		282,640