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8. STOCK COMPENSATION (Tables) | 12 Months Ended
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Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Employees and non-employees stock compensation |
|  | Year Ended September 30, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Employees |  | $ | 2,113,433 |  |  | $ | 5,105,827 |  |  | $ | 3,958,637 |
Non-employees |  | $ | 751,651 |  |  | $ | 565,915 |  |  | $ | 771,946 |
Assumptions for Option Pricing |
| 2016 | 2015 | 2014 |
Expected stock price volatility | 75.58 – 80.9% | 73.38 – 86.19% | 72.81 – 86.87% |
Risk-free interest rate | 0.71 – 1.56% | 0.93 – 2.35% | 0.59 – 2.65% |
Expected life of options | 3.0 – 9.69 Years | 3.0 – 9.76 Years | 3.0 – 9.76 Years |
Expected dividend yield | - | - | - |
Stock Option Plans |
|  | Outstanding |  |  | Exercisable |
|  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  |  |  |  |  | Ave |  |  |  |  |  |  |  |  |  |  |  | Ave |  |  |  |
|  | Number of |  |  | Weighted Average |  |  | Remaining Contractual |  |  | Aggregate Intrinsic |  |  | Number of |  |  | Weighted Average |  |  | Remaining Contractual |  |  | Aggregate Intrinsic |
|  | Shares |  |  | Exercise Price |  |  | Term (Years) |  |  | Value |  |  | Shares |  |  | Exercise Price |  |  | Term (Years) |  |  | Value |
Outstanding at October 1, 2014 |  |  | 273,246 |  |  | $ | 74.50 |  |  |  | 6.55 |  |  | $ | 3,600 |  |  |  | 137,755 |  |  | $ | 85.00 |  |  |  | 5.49 |  |  | $ | 3,600 |
Vested |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,134 |  |  | $ | 62.00 |  |  |  |  |  |  |  |  |
Granted (a) |  |  | 35,748 |  |  | $ | 16.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeited |  |  | 54,667 |  |  | $ | 6.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired |  |  | 2,820 |  |  | $ | 103.75 |  |  |  |  |  |  |  |  |  |  |  | 2,820 |  |  | $ | 103.75 |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2015 |  |  | 301,507 |  |  | $ | 67.75 |  |  |  | 5.98 |  |  | $ | 50 |  |  |  | 181,070 |  |  | $ | 78.75 |  |  |  | 5.01 |  |  | $ | 0 |
Vested |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 56,069 |  |  | $ | 31.75 |  |  |  |  |  |  |  |  |
Granted (b) |  |  | 48,544 |  |  | $ | 12.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeited |  |  | 2,240 |  |  | $ | 21.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired |  |  | 4,240 |  |  | $ | 145.00 |  |  |  |  |  |  |  |  |  |  |  | 4,240 |  |  | $ | 145.00 |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2016 |  |  | 343,571 |  |  | $ | 59.25 |  |  |  | 5.35 |  |  | $ | 0 |  |  |  | 232,898 |  |  | $ | 66.25 |  |  |  | 4.76 |  |  | $ | 0 |
(a) | Includes 90,000 stock options granted to consultants |
(b) | Includes 410,000 stock options granted to consultants
Schedule of non-vested options |
|  |  |  |  | Weighted Average |
|  | Number of |  |  | Grant Date |
|  | Options |  |  | Fair Value |
Unvested at October 1, 2014 |  |  | 134,491 |  |  | $ | 53.75 |
Vested |  |  | (46,134 | ) |  |  |  |
Granted |  |  | 35,748 |  |  |  |  |
Forfeited |  |  | (4,667 | ) |  |  |  |
Unvested at September 30, 2015 |  |  | 120,438 |  |  | $ | 43.00 |
Vested |  |  | (56,069 | ) |  |  |  |
Granted |  |  | 48,544 |  |  |  |  |
Forfeited |  |  | (2,240 | ) |  |  |  |
Unvested at September 30, 2016 |  |  | 110,673 |  |  | $ | 37.00 |
Schedule of restricted stock units |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Unvested at October 1, 2014 |  |  | 628,000 |  |  | $ | 13.75 |
Vested |  |  | (20,000 | ) |  |  |  |
Granted |  |  | - |  |  |  |  |
Forfeited |  |  | (4,000 | ) |  |  |  |
Unvested at September 30, 2015 |  |  | 604,000 |  |  | $ | 13.75 |
Vested |  |  | - |  |  |  |  |
Unvested at September 30, 2016 |  |  | 604,000 |  |  | $ | 13.75 |

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