STOCK OPTIONS AND WARRANTS - Transactions involving stock options issued to employees (Details 1) - Employee Stock Option - Incentive Stock Plan 2005	9 Months Ended
	Jun. 30, 2019 USD ($) $ / shares shares
Number of Shares
Outstanding at October 1, 2018 | shares	6,183,214
Granted | shares	3,134,878
Exercised | shares	0
Cancelled or expired | shares	(1,388,646)
Outstanding at June 30, 2019 | shares	7,929,446
Vested at June 30, 2019 | shares	6,409,862
Non-vested at June 30, 2019 | shares	1,519,584
Weighted Average Exercise Price Per Share
Outstanding at October 1, 2018 | $ / shares	$ 3.13
Granted | $ / shares	2.55
Exercised | $ / shares	0
Cancelled or expired | $ / shares	(5.39)
Outstanding at June 30, 2019 | $ / shares	2.51
Vested at June 30, 2019 | $ / shares	2.94
Non-vested at June 30, 2019 | $ / shares	$ 0.68
Aggregate Intrinsic Value, Vested | $	$ 0
Aggregate Intrinsic Value, Non-vested | $	$ 0
Weighted Average Contractual Life (years), Outstanding	7 years 29 days
Weighted Average Contractual Life (years), Vested	6 years 5 months 12 days