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Stock-Based Compensation (Tables) | 9 Months Ended
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Jun. 30, 2022
Share-Based Payment Arrangement [Abstract] |
Schedule of stock-based compensation expense |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Selling, general and administrative |  | $ | 211,472 |  |  | $ | 816,033 |  |  | $ | 569,347 |  |  | $ | 1,251,412 |
Research and development |  |  | 44,076 |  |  |  | 62,819 |  |  |  | 121,989 |  |  |  | 199,628 |
Total stock-based compensation expense |  | $ | 255,548 |  |  | $ | 878,852 |  |  | $ | 691,336 |  |  | $ | 1,451,040 |
Schedule of weighted-average assumptions used in the Black-Scholes option-pricing model |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Expected stock price volatility |  |  | 53.5 | % |  |  | 56.0 | % |  |  | 53.5 | % |  |  | 55.9 | %
Expected life of options (years) |  |  | 5.3 |  |  |  | 5.9 |  |  |  | 5.6 |  |  |  | 6.0 |
Expected dividend yield |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Risk free interest rate |  |  | 2.8 | % |  |  | 1.0 | % |  |  | 2.3 | % |  |  | 0.6 | %

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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 (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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