STOCK OPTIONS AND WARRANTS - Transactions involving stock options issued to employees (Details 3) (Stock Options, USD $)	1 Months Ended	0 Months Ended				1 Months Ended	12 Months Ended
	Aug. 19, 2014	Dec. 02, 2013	Oct. 14, 2013	Jul. 02, 2013	May 12, 2013	Nov. 28, 2013	Sep. 30, 2014	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Exercised	(145,583)
Incentive Stock Plan 2005
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Beginning balance, Number of Shares			2,024,249				2,024,249	2,086,814
Granted		33,333	122,987	1,667	1,667	4,167	1,229,717	38,323
Exercised							(341,668)	(99,650)
Cancelled or expired							(3,252)	(1,238)
Outstanding Ending Balance, Number of Shares							2,909,046	2,024,249
Vested at September 30,			89,617				1,845,368
Non-vested at September 30,							1,063,678
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding Beginning Balance, Weighted Average Exercise Price Per Share			$ 3.78				$ 3.78	$ 3.60
Granted		$ 7.02	$ 5.32	$ 11.58	$ 12.00	$ 6.96	$ 6.03	$ 10.88
Exercised							$ (3.60)	$ (2.52)
Cancelled or expired							$ (7.72)	$ (3.60)
Outstanding Ending Balance, Weighted Average Exercise Price Per Share							$ 4.74	$ 3.78
Vested at September 30,							$ 4.10
Aggregate Intrinsic Value, Vested							$ 3.36
Non-vested at September 30,							$ 1.46