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Stock-Based Compensation (Tables) | 9 Months Ended
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Jun. 30, 2023
Stock-Based Compensation [Abstract] |
Schedule of Stock-Based Compensation Expense | During the three and nine months ended June 30, 2023 and 2022, stock-based compensation expense related to stock-based awards was included in selling, general and administrative and research and development costs as follows in the accompanying condensed statements of operations.
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Selling, general and administrative |  | $ | 237,007 |  |  | $ | 211,472 |  |  | $ | 691,939 |  |  | $ | 569,347 |
Research and development |  |  | 59,395 |  |  |  | 44,076 |  |  |  | 142,272 |  |  |  | 121,989 |
Total stock-based compensation expense |  | $ | 296,402 |  |  | $ | 255,548 |  |  | $ | 834,211 |  |  | $ | 691,336 |
Schedule of Weighted-Average Assumptions Used in the Black-Scholes Option-Pricing Model | The weighted-average assumptions used in the Black-Scholes option-pricing model are as follows for the stock options granted during the three and nine months ended June 30, 2023 and 2022:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Expected stock price volatility |  |  | 58.1 | % |  |  | 53.5 | % |  |  | 57.4 | % |  |  | 53.5 | %
Expected life of options (years) |  |  | 6.1 |  |  |  | 5.3 |  |  |  | 5.8 |  |  |  | 5.6 |
Expected dividend yield |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Risk free interest rate |  |  | 3.6 | % |  |  | 2.8 | % |  |  | 3.7 | % |  |  | 2.3 | %

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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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