STOCK OPTIONS AND WARRANTS - Transactions involving stock options issued to employees (Details 1) - Employee Stock Option - Incentive Stock Plan 2005	12 Months Ended
	Sep. 30, 2018 USD ($) $ / shares shares
Number of Shares
Outstanding at October 1, 2017	5,333,227
Granted	2,188,141
Exercised	0
Cancelled or expired	(1,338,154)
Outstanding at September 30, 2018	6,183,214
Vested at September 30, 2018	5,392,896
Non-vested at September 30, 2018	790,318
Weighted Average Exercise Price Per Share
Outstanding at October 1, 2017 | $ / shares	$ 3.71
Granted | $ / shares	2.00
Exercised | $ / shares	0.00
Cancelled or expired | $ / shares	3.58
Outstanding at September 30, 2018 | $ / shares	3.13
Vested at September 30, 2018 | $ / shares	$ 3.31
Aggregate Intrinsic Value, Vested | $	$ 273,951
Aggregate Intrinsic Value, Non-vested | $	$ 10,542
Weighted Average Contractual Life (years), Vested	5 years 9 months 22 days
Weighted Average Contractual Life (years), Non-vested	8 years 11 months 1 day