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Stock-Based Compensation | 3 Months Ended
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Mar. 31, 2022
Stock-Based Compensation |
Stock-Based Compensation | Note 11 – Stock-Based Compensation During 2015, the Company established the Long Term Incentive Plan (“Incentive Plan”), under which incentive stock options, nonqualified stock options, restricted stock or other awards may be awarded to employees, directors or consultants of the Company. The options typically vest over a four-year period. As of March 31, 2022, the maximum number of shares available for issuance under the Incentive Plan was 2,825,173 shares. Upon the effectiveness of the Company’s 2021 Incentive Award Plan, the Company ceased granting awards under the Incentive Plan. However, the Incentive Plan continues to govern awards outstanding thereunder. On July 23, 2021, the Company’s Board of Directors adopted, and on July 23, 2021 its stockholders approved, the 2021 Incentive Award Plan (the “2021 Plan”), which became effective on July 29, 2021. The 2021 Plan provides for the grant of incentive stock options, stock appreciation rights, restricted stock awards, restricted stock units, and other stock-based awards. The number of shares reserved for issuance under the 2021 Plan was initially equal to 2,590,000 plus an annual increase on the first day of each calendar year, beginning on January 1, 2022 and ending on and including January 1, 2031, equal to the lesser of (i) 4% of the aggregate number of shares of Class A common stock outstanding on the final day of the immediately preceding calendar year and (ii) such smaller number of shares of Class A common stock as determined by the Board of Directors. No more than 15,350,000 shares of Class A common stock may be issued under the 2021 Plan upon the exercise of incentive stock options. Shares issued under the 2021 Plan may be authorized but unissued shares, shares purchased on the open market or treasury shares. If an award under the 2021 Plan expires, lapses or is terminated, exchanged for or settled in cash, surrendered, repurchased, cancelled without having been fully exercised/settled or forfeited, any unused shares subject to the award will, as applicable, become or again be available for new grants under the 2021 Plan. In addition, shares subject to stock options issued under the Incentive Plan may become available for issuance under the 2021 Plan to the extent such stock options are canceled, forfeited, exchanged, settled in cash or otherwise terminated. As of March 31, 2022, there were 2,431,728 shares available for future issuance under the 2021 Plan. On July 23, 2021, the Company’s Board of Directors adopted, and on July 23, 2021 its stockholders approved, the 2021 Employee Stock Purchase Plan (the “2021 ESPP”), which became effective on July 29, 2021. A total of 250,000 shares of Class A common stock were initially reserved for issuance under this plan. The number of shares of Class A common stock that may be issued under the 2021 ESPP will automatically increase on the first day of each calendar year, beginning on January 1, 2022 and ending on and including January 1, 2031, equal to the lesser of (i) 1% of the shares of Class A common stock outstanding on the final day of the immediately preceding calendar year and (ii) such smaller number of shares of Class A common stock as determined by the board of directors, provided that not more than 3,340,000 shares of Class A common stock may be issued under the 2021 ESPP. As of March 31, 2022, no shares had been issued under the 2021 ESPP. During the three months ended March 31, 2022, the Company recognized stock-based compensation expense of $897,650. During the three months ended March 31, 2021, the Company recognized stock-based compensation expense of $182,225. As of March 31, 2022, compensation expense remaining to be recognized for outstanding stock options was $13,195,203 and to be recognized over a weighted-average period of 3.06 years. The fair value of options granted is calculated on the grant date using the Black-Scholes option valuation model. The Company historically has been a private company and lacks company-specific historical and implied volatility information. Therefore, it estimates its expected stock volatility based on the historical volatility of a publicly traded set of peer public companies and expects to continue to do so until such time as it has adequate historical data regarding the volatility of its own traded stock price. For the three months ended March 31, 2022, the Company granted 942,025 shares of stock options at a weighted-average grant date fair value of $10.10. The Company used the following assumptions in its application of the Black-Scholes option pricing model for grants during the three months ended March 31, 2022 and 2021: ​
​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31,
​ |  | 2022 |  | 2021
​ | ​ | ​ | ​ | ​
Weighted-average risk-free interest rate | ​ | 1.35% - 2.44% | ​ | 1.11% - 1.71%
Expected term (in years) | ​ | 5.00 - 10 years | ​ | 5.83 - 10 years
Expected dividend yield | ​ | 0% | ​ | 0%
Expected volatility | ​ | 65.96% - 78.12% | ​ | 69.01% - 80.99%
​ The following table summarizes the stock option activity during the three months ended March 31, 2022 under the Plan: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ | ​ | Weighted |  | ​ | ​
​ | ​ | ​ | ​ | Weighted- | ​ | Average | ​ | ​ | ​
​ | ​ | ​ | ​ | Average | ​ | Remaining | ​ | ​ | ​
​ | ​ | Number of | ​ | Exercise Price | ​ | Contractual | ​ | Aggregate
​ | ​ | Options | ​ | per Share |  | Term (in Years) | ​ | Intrinsic Value
​ |  |  |  | ​ |  |  |  |  | ​ |
Outstanding at of December 31, 2021 |  | 2,859,544 | ​ | $ | 6.55 |  | 8.30 |  | ​ |
Granted |  | 942,025 | ​ | ​ | 10.10 | ​ | ​ |  | ​ |
Exercised |  | (63,100) | ​ | ​ | 3.01 | ​ | ​ |  | ​ |
Cancelled |  | (22,513) | ​ | ​ | 7.00 | ​ | ​ |  | ​ |
Outstanding at March 31, 2022 |  | 3,715,956 | ​ | $ | 7.50 | ​ | 8.48 | ​ | $ | 5,289,348
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Vested and exercisable at March 31, 2022 |  | 1,163,564 | ​ | $ | 3.24 |  | 7.08 | ​ | $ | 3,879,198
Vested and expected to vest at March 31, 2022 | ​ | 3,715,956 | ​ | $ | 7.50 |  | 8.48 | ​ | $ | 5,289,348
​ For the three months ended March 31, 2022 and 2021, the Company recognized share-based compensation expense recognized on the accompanying condensed consolidated statements of operations as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31, | ​
​ |  | 2022 |  | 2021 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cost of revenue | ​ | $ | 4,630 | ​ | $ | 22,515 | ​
Research and development | ​ |  | 432,719 | ​ |  | 105,703 | ​
General and administrative | ​ |  | 460,301 | ​ |  | 54,007 | ​
Total | ​ | $ | 897,650 | ​ | $ | 182,225 | ​
​

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