LIQUIDITY AND MANAGEMENT'S PLAN (Detail Textuals) - USD ($)	1 Months Ended	3 Months Ended
	Dec. 20, 2017	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2017	Sep. 30, 2016
Liquidity And Management Plan [Line Items]
Accumulated deficit		$ (239,856,867)		$ (236,673,155)
Net loss		(3,183,712)	$ (3,961,384)
Negative operating cash flow		(2,572,772)	(2,068,888)
Working capital		6,303,930
Cash and cash equivalents		$ 4,764,553	$ 6,701,586	$ 2,959,781	$ 4,479,274
Securities Purchase Agreement | Private placement
Liquidity And Management Plan [Line Items]
Common stock issued in private placement, net of offering costs (in shares)	2,735,000
Share price (in dollars per share)	$ 1.75
Number of common stock called by warrants	2,735,000
Aggregate gross proceeds from Registered Direct Offering	$ 4,786,250
Net proceeds from sale of Registered Direct Offering	$ 4,200,000