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9. STOCK COMPENSATION (Tables) | 12 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Employees and non-employees stock compensation |
|  | Year Ended September 30, |
|  | 2018 |  |  | 2017 |
Employees |  | $ | 2,743,267 |  |  | $ | 1,380,500 |
Non-employees |  | $ | 530,736 |  |  | $ | 232,847 |
Assumptions for Option Pricing |
|  | 2018 |  |  | 2017 |
Expected stock price volatility | 89.90 – 94.32% | 88.54 – 90.67% |  |  |  |  |  |
Risk-free interest rate | 2.30 – 3.04% | 2.18 – 2.29% |  |  |  |  |  |
Expected life of options | 9.67 – 9.70 Years | 9.69 – 10 Years |  |  |  |  |  |
Expected dividend yield | - | - |  |  |  |  |  |
Stock Option Plans |
|  | Outstanding |  |  | Exercisable |
|  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  |  | Weighted |  |  | Ave |  |  | Aggregate |  |  |  |  |  | Weighted |  |  | Ave |  |  | Aggregate |
|  | Number of |  |  | Average |  |  | Remaining Contractual |  |  | Intrinsic |  |  | Number of |  |  | Average |  |  | Remaining Contractual |  |  | Intrinsic |
|  | Shares |  |  | Exercise Price |  |  | Term (Years) |  |  | Value |  |  | Shares |  |  | Exercise Price |  |  | Term (Years) |  |  | Value |
Outstanding at September 30, 2016 |  |  | 343,575 |  |  | $ | 59.22 |  |  |  | 5.35 |  |  | $ | 0 |  |  |  | 232,931 |  |  | $ | 66.28 |  |  |  | 4.76 |  |  | $ | 0 |
Vested |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63,812 |  |  | $ | 18.45 |  |  |  |  |  |  |  |  |
Granted (a) |  |  | 932,825 |  |  | $ | 2.17 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeited |  |  | 15,795 |  |  | $ | 9.46 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired |  |  | 20,761 |  |  | $ | 88.80 |  |  |  |  |  |  |  |  |  |  |  | 20,761 |  |  | $ | 88.80 |  |  |  |  |  |  |  |  |
Cancelled |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2017 |  |  | 1,239,844 |  |  | $ | 16.44 |  |  |  | 8.50 |  |  | $ | 1,400 |  |  |  | 275,982 |  |  | $ | 53.53 |  |  |  | 4.91 |  |  | $ | 0 |
Vested |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 334,111 |  |  | $ | 7.63 |  |  |  |  |  |  |  |  |
Granted |  |  | 1,958,108 |  |  | $ | 2.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeited |  |  | 5,426 |  |  | $ | 3.79 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired |  |  | 32,399 |  |  | $ | 67.73 |  |  |  |  |  |  |  |  |  |  |  | 32,399 |  |  | $ | 67.73 |  |  |  |  |  |  |  |  |
Cancelled |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2018 |  |  | 3,160,127 |  |  | $ | 7.30 |  |  |  | 8.88 |  |  | $ | 4,761,973 |  |  |  | 577,694 |  |  | $ | 26.18 |  |  |  | 6.74 |  |  | $ | 604,763 |
Schedule of non-vested options |
|  | Number of Options |  |  | Weighted Average Grant Date Fair Value |
Unvested at October 1, 2016 |  |  | 110,644 |  |  | $ | 36.96 |
Vested |  |  | (63,812 | ) |  |  |  |
Granted |  |  | 932,825 |  |  |  |  |
Forfeited |  |  | (15,795 | ) |  |  |  |
Unvested at September 30, 2017 |  |  | 963,862 |  |  | $ | 4.91 |
Vested |  |  | (334,111 | ) |  |  |  |
Granted |  |  | 1,958,108 |  |  |  |  |
Forfeited |  |  | (5,426 | ) |  |  |  |
Unvested at September 30, 2018 |  |  | 2,582,433 |  |  | $ | 2.48 |
Schedule of restricted stock units |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Unvested at September 30, 2016 |  |  | 604,000 |  |  | $ | 13.75 |
Vested |  |  | (136,000 | ) |  |  |  |
Unvested at September 30, 2017 |  |  | 468,000 |  |  | $ | 13.75 |
Vested |  |  | (156,000 | ) |  |  |  |
Unvested at September 30, 2018 |  |  | 312,000 |  |  | $ | 13.75 |

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