SUMMARY OF ACCOUNTING POLICIES - Summary of potential stock issuances under various options, and warrants (Details 3) - shares	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from the computation of diluted net loss per share	24,685,741	17,579,866
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from the computation of diluted net loss per share	18,508,527	12,275,455
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	6,177,214	5,304,411