LIQUIDITY AND MANAGEMENT'S PLAN (Details) - USD ($)			12 Months Ended
	Nov. 15, 2019	Aug. 07, 2019	Sep. 30, 2019	Sep. 30, 2018
Liquidity And Managements Plan [Line items]
Accumulated deficit			$ (256,805,589)	$ (248,366,083)
Net loss			(8,632,446)	(11,692,928)
Operating cash flow			(6,861,772)
Cash and cash equivalents			558,988	$ 1,659,564
Working capital			$ 99,682
Common stock issued in private placement, net of offering costs (in shares)		100,617
Subsequent Event
Liquidity And Managements Plan [Line items]
Number of warrants sold along with each share	1
Offering | Subsequent Event
Liquidity And Managements Plan [Line items]
Common stock issued in private placement, net of offering costs (in shares)	2,285,000
Number of common stock called by warrants	2,285,000
Number of shares per warrant	1
Public offering price for each share together with warrant	$ 5.25
Gross proceeds of offering before underwriter discounts, commissions and other offering expenses	$ 12,000,000
Net proceeds of offering after underwriter discounts, commissions and other offering expenses	$ 10,800,000
Additional number of common stock called by warrants	342,750
Warrants exercisable expiration period	45 days
Offering | Warrant | Subsequent Event
Liquidity And Managements Plan [Line items]
Additional number of common stock called by warrants	342,750