BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES - Summary of potential stock issuances under various options, and warrants (Details) - shares	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from the computation of diluted net loss per share	1,805,023	1,136,296
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from the computation of diluted net loss per share	743,563	778,118
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from the computation of diluted net loss per share	1,061,460	358,178