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STOCK OPTIONS AND WARRANTS - Changes in options outstanding and related prices (Details 1) - Employee Stock Option - Incentive Stock Plan 2005 - $ / shares | 12 Months Ended |
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.93 |
Number Outstanding | 4,403,234 | 3,458,905
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 4 years 10 months 24 days |
Weighted Average Exercise Price of Options Outstanding | $ 4.08 | $ 4.42
Number Exercisable | 2,807,492 |
Exercisable Weighted Average Exercise Price | $ 4.22 |
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) | 3 years 6 months |
Weighted Average Exercise Price of Options Outstanding | $ 2.59 |
Number Exercisable | 41,667 |
Exercisable 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) | 3 years 6 months 29 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.66 |
Number Exercisable | 1,146 |
Exercisable Weighted Average Exercise Price | $ 2.66 |
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) | 3 years 1 month 21 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.69 |
Number Exercisable | 83,334 |
Exercisable Weighted Average Exercise Price | $ 2.69 |
Dollar 2.78 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.78 |
Number Outstanding | 8,750 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 4 months 13 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.78 |
Number Exercisable | 3,125 |
Exercisable Weighted Average Exercise Price | $ 2.78 |
Dollar 2.81 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.81 |
Number Outstanding | 500,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 7 months 6 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.81 |
Number Exercisable |  |
Exercisable Weighted Average Exercise Price |  |
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) | 3 years 3 months 22 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.85 |
Number Exercisable | 417 |
Exercisable Weighted Average Exercise Price | $ 2.85 |
Dollar 2.86 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.86 |
Number Outstanding | 690,008 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 7 years 7 months 21 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.86 |
Number Exercisable | 690,008 |
Exercisable Weighted Average Exercise Price | $ 2.86 |
Dollar 2.96 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.96 |
Number Outstanding | 50,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 7 months 6 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.96 |
Number Exercisable |  |
Exercisable Weighted Average Exercise Price |  |
Dollar 2.99 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 2.99 |
Number Outstanding | 489,523 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 2 months 23 days |
Weighted Average Exercise Price of Options Outstanding | $ 2.99 |
Number Exercisable |  |
Exercisable Weighted Average Exercise Price |  |
Dollar 3.00 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 3.00 |
Number Outstanding | 1,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 10 months 24 days |
Weighted Average Exercise Price of Options Outstanding | $ 3 |
Number Exercisable |  |
Exercisable Weighted Average Exercise Price |  |
Dollar 3.06 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 3.06 |
Number Outstanding | 5,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 9 months 7 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.06 |
Number Exercisable |  |
Exercisable Weighted Average Exercise Price |  |
Dollar 3.18 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 3.18 |
Number Outstanding | 2,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 9 months 22 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.18 |
Number Exercisable |  |
Exercisable Weighted Average Exercise Price |  |
Dollar 3.20 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 3.20 |
Number Outstanding | 17,668 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 11 months 1 day |
Weighted Average Exercise Price of Options Outstanding | $ 3.20 |
Number Exercisable | 16,668 |
Exercisable Weighted Average Exercise Price | $ 3.20 |
Dollar 3.24 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 3.24 |
Number Outstanding | 5,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 3 months |
Weighted Average Exercise Price of Options Outstanding | $ 3.24 |
Number Exercisable |  |
Exercisable Weighted Average Exercise Price |  |
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) | 8 years 4 months 17 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.45 |
Number Exercisable | 7,500 |
Exercisable Weighted Average Exercise Price | $ 3.45 |
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) | 8 years 11 months 12 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.48 |
Number Exercisable | 625 |
Exercisable Weighted Average Exercise Price | $ 3.48 |
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) | 1 year 9 months 11 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.51 |
Number Exercisable | 666,667 |
Exercisable 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) | 3 years 9 months |
Weighted Average Exercise Price of Options Outstanding | $ 3.60 |
Number Exercisable | 333,334 |
Exercisable 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 months 5 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.90 |
Number Exercisable | 10,581 |
Exercisable Weighted Average Exercise Price | $ 3.90 |
Dollar 3.92 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 3.92 |
Number Outstanding | 3,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 1 month 13 days |
Weighted Average Exercise Price of Options Outstanding | $ 3.92 |
Number Exercisable |  |
Exercisable Weighted Average Exercise Price |  |
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) | 9 months 22 days |
Weighted Average Exercise Price of Options Outstanding | $ 4.08 |
Number Exercisable | 79,500 |
Exercisable 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 | 20,834 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 1 year 11 months 23 days |
Weighted Average Exercise Price of Options Outstanding | $ 4.20 |
Number Exercisable | 20,834 |
Exercisable Weighted Average Exercise Price | $ 4.20 |
Dollar 4.91 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 4.91 |
Number Outstanding | 10,000 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 9 years 4 days |
Weighted Average Exercise Price of Options Outstanding | $ 4.91 |
Number Exercisable | 10,000 |
Exercisable Weighted Average Exercise Price | $ 4.91 |
Dollar 5.31 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercise Prices | $ 5.31 |
Number Outstanding | 116,561 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 1 year 6 months 15 days |
Weighted Average Exercise Price of Options Outstanding | $ 5.31 |
Number Exercisable | 74,948 |
Exercisable 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) | 2 years 23 days |
Weighted Average Exercise Price of Options Outstanding | $ 5.82 |
Number Exercisable | 504,633 |
Exercisable 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) | 2 years 11 months 19 days |
Weighted Average Exercise Price of Options Outstanding | $ 6 |
Number Exercisable | 8,334 |
Exercisable Weighted Average Exercise Price | $ 6 |
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) | 2 years 1 month 28 days |
Weighted Average Exercise Price of Options Outstanding | $ 6.60 |
Number Exercisable | 123,338 |
Exercisable 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) | 2 years 6 months 29 days |
Weighted Average Exercise Price of Options Outstanding | $ 6.89 |
Number Exercisable | 2,084 |
Exercisable 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) | 2 years 1 month 28 days |
Weighted Average Exercise Price of Options Outstanding | $ 6.96 |
Number Exercisable | 2,084 |
Exercisable 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) | 2 years 2 months 1 day |
Weighted Average Exercise Price of Options Outstanding | $ 7.02 |
Number Exercisable | 16,666 |
Exercisable 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 | 32,091 |
Weighted Average Remaining Contractual Life of Options Outstanding (Years) | 2 years 6 months |
Weighted Average Exercise Price of Options Outstanding | $ 8.16 |
Number Exercisable | 32,091 |
Exercisable 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) | 2 years 4 months 6 days |
Weighted Average Exercise Price of Options Outstanding | $ 9.60 |
Number Exercisable | 41,667 |
Exercisable 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) | 1 year 6 months 18 days |
Weighted Average Exercise Price of Options Outstanding | $ 10.79 |
Number Exercisable | 34,991 |
Exercisable 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) | 1 year 7 months 10 days |
Weighted Average Exercise Price of Options Outstanding | $ 12 |
Number Exercisable | 1,250 |
Exercisable Weighted Average Exercise Price | $ 12 |

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