STOCK OPTIONS AND WARRANTS - Transactions involving warrants (Details 1) (Warrants, USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Warrants
Class Of Warrant Or Right, Number Of Shares [Roll Forward]
Beginning Balance, Number of Shares	983,894	764,011
Granted	327,860	2,237,487
Exercised	(311,587)	(1,003,948)
Cancelled or expired	(55,001)	(1,013,656)
Ending Balance, Number of Shares	945,166	983,894
Class Of Warrant Or Right, Weighted Average Price Per Share [Roll Forward]
Beginning Balance, Weighted Average Price Per Share	$ 11.86	$ 8.70
Granted	$ 8.50	$ 13.98
Exercised	$ (13.44)	$ (10.20)
Cancelled or expired	$ (14.00)	$ (15.88)
Ending Balance, Weighted Average Price Per Share	$ 9.59	$ 11.86