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SHAREHOLDERS' EQUITY (Tables) | 9 Months Ended
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Jun. 30, 2021
Stockholders Equity Abstract |
Fair value assumptions |
|  | 2021 |  |  | 2020 |
Weighted average exercise price |  | $ | 3.91 |  |  | $ | 3.15 |
Risk free interest rate |  | 0.16% - 0.85 | % |  | 0.69% - 1.64 | %
Volatility |  | 100.72% - 105.43 | % |  | 95.96% - 111.31 | %
Expected term |  | 2.5 - 6.2 years |  |  | 5 - 10 years |
Divident yield |  | None |  |  | None |
|  | 2021 |  |  | 2020 |
Weighted average exercise price |  | $ | 3.74 |  |  | $1.25-$3.9125 |
Risk free interest rate |  |  | 0.39 | % |  | 1.48%-1.63 | %
Volatility |  |  | 103.42 | % |  | 95.36%-96.85 | %
Expected term |  | 2.75 years |  |  | 5 years |
Divident yield |  | None |  |  | None |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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