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STOCK OPTIONS AND WARRANTS - Changes in options outstanding and related prices (Details 1) - Stock Options - Incentive Stock Plan 2005 - $ / shares | 12 Months Ended |
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.85 |
Number Outstanding | 3,458,905 | 2,909,046
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 4 years 4 months 28 days |
Weighted Average Exercise Price of Options Outstanding | $ 4.42 | $ 4.74
Number Exercisable | 2,493,527 |
Weighted Average Exercise Price | $ 4.13 |
Dollar 2.59 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.59 |
Number Outstanding | 41,667 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 4 years 6 months |
Weighted Average Exercise Price of Options Outstanding | $ 2.59 |
Number Exercisable | 41,667 |
Weighted Average Exercise Price | $ 2.59 |
Dollar 2.66 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.66 |
Number Outstanding | 4,584 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 4 years 6 months 29 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.66 |
Number Exercisable |  |
Weighted Average Exercise Price |  |
Dollar 2.68 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.68 |
Number Outstanding | 3,334 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 4 years 6 months 7 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.68 |
Number Exercisable |  |
Weighted Average Exercise Price |  |
Dollar 2.69 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.69 |
Number Outstanding | 83,334 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 4 years 1 month 21 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.69 |
Number Exercisable | 83,334 |
Weighted Average Exercise Price | $ 2.69 |
Dollar 2.85 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.85 |
Number Outstanding | 1,667 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 4 years 3 months 22 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.85 |
Number Exercisable |  |
Weighted Average Exercise Price |  |
Dollar 2.86 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.86 |
Number Outstanding | 784,008 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 8 years 3 months |
Weighted Average Exercise Price of Options Outstanding | $ 2.86 |
Number Exercisable | 608,500 |
Weighted Average Exercise Price | $ 2.86 |
Dollar 3.45 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 3.45 |
Number Outstanding | 30,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 4 months 17 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.45 |
Number Exercisable |  |
Weighted Average Exercise Price |  |
Dollar 3.48 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 3.48 |
Number Outstanding | 2,500 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 11 months 12 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.48 |
Number Exercisable |  |
Weighted Average Exercise Price |  |
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) | 2 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) | 4 years 9 months |
Weighted Average Exercise Price of Options Outstanding | $ 3.60 |
Number Exercisable | 333,334 |
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) | 1 year 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) | 1 year 9 months 22 days |
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) | 1 year 4 months 13 days |
Weighted Average Exercise Price of Options Outstanding | $ 4.20 |
Number Exercisable | 47,085 |
Weighted Average Exercise Price | $ 4.20 |
Dollar 5.31 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 5.31 |
Number Outstanding | 120,484 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 2 years 3 months 11 days |
Weighted Average Exercise Price of Options Outstanding | $ 5.31 |
Number Exercisable | 67,700 |
Weighted Average Exercise Price | $ 5.31 |
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) | 11 months 1 day |
Weighted Average Exercise Price of Options Outstanding | $ 5.40 |
Number Exercisable | 16,668 |
Weighted Average Exercise Price | $ 5.40 |
Dollar 5.82 |  |
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) | 3 years 18 days |
Weighted Average Exercise Price of Options Outstanding | $ 5.82 |
Number Exercisable | 283,798 |
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) | 3 years 11 months 19 days |
Weighted Average Exercise Price of Options Outstanding | $ 6.00 |
Number Exercisable | 8,334 |
Weighted Average Exercise Price | $ 6.00 |
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 1 month 28 days |
Weighted Average Exercise Price of Options Outstanding | $ 6.60 |
Number Exercisable | 123,338 |
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) | 3 years 6 months 29 days |
Weighted Average Exercise Price of Options Outstanding | $ 6.89 |
Number Exercisable | 1,042 |
Weighted Average Exercise Price | $ 6.89 |
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) | 3 years 1 month 28 days |
Weighted Average Exercise Price of Options Outstanding | $ 6.96 |
Number Exercisable | 1,042 |
Weighted Average Exercise Price | $ 6.96 |
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) | 3 years 2 months 5 days |
Weighted Average Exercise Price of Options Outstanding | $ 7.02 |
Number Exercisable | 8,334 |
Weighted Average Exercise Price | $ 7.02 |
Dollar 8.16 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 8.16 |
Number Outstanding | 35,111 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 3 years 5 months 23 days |
Weighted Average Exercise Price of Options Outstanding | $ 8.16 |
Number Exercisable | 35,111 |
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) | 3 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) | 2 years 6 months 22 days |
Weighted Average Exercise Price of Options Outstanding | $ 10.79 |
Number Exercisable | 34,991 |
Weighted Average Exercise Price | $ 10.79 |
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) | 2 years 6 months 4 days |
Weighted Average Exercise Price of Options Outstanding | $ 12.00 |
Number Exercisable | 834 |
Weighted Average Exercise Price | $ 12.00 |

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