LIQUIDITY AND MANAGEMENT'S PLAN (Details) - USD ($)		3 Months Ended
	Nov. 15, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 17, 2019	Sep. 30, 2019
Liquidity And Managements Plan [Line items]
Accumulated deficit		$ (259,471,142)			$ (256,805,589)
Net loss		(2,662,741)	$ (3,234,320)
Cash and cash equivalents		8,662,853			$ 558,988
Working capital		$ 8,128,977
Offering
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			2,627,750
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	$ 10,500,000
Additional number of common stock called by warrants	342,750
Warrants exercisable expiration period	45 days