STOCK OPTIONS AND WARRANTS - Changes in options outstanding and related prices (Details 2) (Stock Options, Incentive Stock Plan 2005, USD $)	0 Months Ended				1 Months Ended	12 Months Ended
	Dec. 02, 2013	Oct. 14, 2013	Jul. 02, 2013	May 12, 2013	Nov. 28, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices	$ 7.02	$ 5.32	$ 11.58	$ 12.00	$ 6.96	$ 6.03	$ 10.88
Number Outstanding						2,909,046	2,024,249	2,086,814
Weighted Average Exercise Price of Options Outstanding						$ 4.74	$ 3.78	$ 3.60
Number Exercisable						1,845,368
Weighted Average Exercise Price						$ 4.1
Dollar 3.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 3.00
Number Outstanding						400,001
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						7 months 24 days
Weighted Average Exercise Price of Options Outstanding						$ 3.00
Number Exercisable						400,001
Weighted Average Exercise Price						$ 3.00
Dollar 3.51
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 3.51
Number Outstanding						666,667
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						3 years 9 months 15 days
Weighted Average Exercise Price of Options Outstanding						$ 3.51
Number Exercisable						666,667
Weighted Average Exercise Price						$ 3.51
Dollar 3.60
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 3.60
Number Outstanding						333,334
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						9 months 4 days
Weighted Average Exercise Price of Options Outstanding						$ 3.60
Number Exercisable						333,335
Weighted Average Exercise Price						$ 3.60
Dollar 3.90
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 3.90
Number Outstanding						10,581
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						2 years 2 months 5 days
Weighted Average Exercise Price of Options Outstanding						$ 3.90
Number Exercisable						10,581
Weighted Average Exercise Price						$ 3.90
Dollar 4.08
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 4.08
Number Outstanding						79,500
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						2 years 2 months 1 day
Weighted Average Exercise Price of Options Outstanding						$ 4.08
Number Exercisable						79,500
Weighted Average Exercise Price						$ 4.08
Dollar 4.20
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 4.20
Number Outstanding						47,501
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						10 months 17 days
Weighted Average Exercise Price of Options Outstanding						$ 4.20
Number Exercisable						39,376
Weighted Average Exercise Price						$ 4.20
Dollar 5.40
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 5.40
Number Outstanding						16,668
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						1 year 11 months 1 day
Weighted Average Exercise Price of Options Outstanding						$ 5.40
Number Exercisable						16,668
Weighted Average Exercise Price						$ 5.40
Dollar 5.31
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 5.31
Number Outstanding						120,966
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						4 years 15 days
Weighted Average Exercise Price of Options Outstanding						$ 5.31
Number Exercisable						33,334
Weighted Average Exercise Price						$ 5.31
Dollar 5.82
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 5.82
Number Outstanding						946,300
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						4 years 18 days
Weighted Average Exercise Price of Options Outstanding						$ 5.82
Number Exercisable						62,964
Weighted Average Exercise Price						$ 5.82
Dollar 6.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 6.00
Number Outstanding						8,334
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						4 years 11 months 19 days
Weighted Average Exercise Price of Options Outstanding						$ 6.00
Number Exercisable
Weighted Average Exercise Price
Dollar 6.60
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 6.60
Number Outstanding						123,338
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						3 years 11 months 9 days
Weighted Average Exercise Price of Options Outstanding						$ 6.60
Number Exercisable						90,004
Weighted Average Exercise Price						$ 6.60
Dollar 6.89
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 6.89
Number Outstanding						4,167
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						4 years 6 months 29 days
Weighted Average Exercise Price of Options Outstanding						$ 6.89
Number Exercisable
Weighted Average Exercise Price
Dollar 6.96
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 6.96
Number Outstanding						4,167
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						4 years 6 months 29 days
Weighted Average Exercise Price of Options Outstanding						$ 6.96
Number Exercisable
Weighted Average Exercise Price
Dollar 7.02
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 7.02
Number Outstanding						33,334
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						4 years 1 month 28 days
Weighted Average Exercise Price of Options Outstanding						$ 7.02
Number Exercisable
Weighted Average Exercise Price
Dollar 8.16
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 8.16
Number Outstanding						35,446
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						4 years 2 months 5 days
Weighted Average Exercise Price of Options Outstanding						$ 8.16
Number Exercisable						35,446
Weighted Average Exercise Price						$ 8.16
Dollar 9.60
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 9.60
Number Outstanding						41,667
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						4 years 4 months 6 days
Weighted Average Exercise Price of Options Outstanding						$ 9.60
Number Exercisable						41,667
Weighted Average Exercise Price						$ 9.60
Dollar 10.79
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 10.79
Number Outstanding						34,991
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						3 years 2 months 1 day
Weighted Average Exercise Price of Options Outstanding						$ 10.79
Number Exercisable						34,991
Weighted Average Exercise Price						$ 10.79
Dollar 11.58
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 11.58
Number Outstanding						417
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						3 years 9 months
Weighted Average Exercise Price of Options Outstanding						$ 11.58
Number Exercisable						417
Weighted Average Exercise Price						$ 11.58
Dollar 12.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 12.00
Number Outstanding						1,667
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						3 years 7 months 17 days
Weighted Average Exercise Price of Options Outstanding						$ 12.00
Number Exercisable						417
Weighted Average Exercise Price						$ 12.00
Dollar 4.74
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Prices						$ 4.74
Number Outstanding						2,909,046
Weighted Average Remaining Contractual Life of Options Outstanding (Years)						2 years 11 months 27 days
Weighted Average Exercise Price of Options Outstanding						$ 4.74
Number Exercisable						1,845,368
Weighted Average Exercise Price						$ 4.10