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v3.23.1

Stock-Based Compensation (Tables) | 6 Months Ended
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Mar. 31, 2023
Stock-Based Compensation [Abstract] |
Schedule of stock-based compensation expense |
|  | Three Months Ended |  |  | Six Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Selling, general and administrative |  | $ | 199,467 |  |  | $ | 194,874 |  |  | $ | 454,932 |  |  | $ | 357,875 |
Research and development |  |  | 38,161 |  |  |  | 37,842 |  |  |  | 82,877 |  |  |  | 77,913 |
Total stock-based compensation expense |  | $ | 237,628 |  |  | $ | 232,716 |  |  | $ | 537,809 |  |  | $ | 435,788 |
Schedule of weighted-average assumptions used in the Black-Scholes option-pricing model |
|  | Three Months Ended |  |  | Six Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Expected stock price volatility |  |  | 58.1 | % |  |  | 53.5 | % |  |  | 55.5 | % |  |  | 53.5 | %
Expected life of options (years) |  |  | 5.3 |  |  |  | 6.1 |  |  |  | 5.2 |  |  |  | 6.1 |
Expected dividend yield |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Risk free interest rate |  |  | 3.7 | % |  |  | 1.6 | % |  |  | 3.9 | % |  |  | 1.6 | %

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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + 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 -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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