STOCK OPTIONS AND WARRANTS - Transactions involving stock options issued to employees (Details 2)	12 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares
Weighted Average Exercise Price Per Share
Weighted Average Contractual Life (years), Vested	4 years 11 months 19 days
Employee Stock Option | Incentive Stock Plan 2005
Number of Shares
Outstanding at October 1, 2015 | shares	3,458,905
Exercised | shares	(80,334)
Cancelled or expired | shares	(91,278)
Outstanding at September 30, 2016 | shares	4,403,234
Vested at September 30, | shares	2,807,492
Non-vested at September 30, | shares	1,595,742
Weighted Average Exercise Price Per Share
Outstanding at October 1, 2015	$ 4.42
Granted	2.93
Exercised	2.86
Cancelled or expired	4.04
Outstanding at September 30, 2016	4.08
Vested at September 30,	$ 4.22
Aggregate Intrinsic Value, Vested | $	$ 540,606
Aggregate Intrinsic Value, Non-vested	$ 615,810
Weighted Average Contractual Life (years), Non-vested	7 years 22 days