SUMMARY OF ACCOUNTING POLICIES - Summary of potential stock issuances under various options, and warrants (Details 3) - shares	9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from the computation of diluted net loss per share	24,222,973	17,494,907
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from the computation of diluted net loss per share	16,293,527	12,271,686
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	7,929,446	5,223,221