v3.24.2.u1

Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | The following table summarizes the stock option activity during the six months ended June 30, 2024:
| Stock Option Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (in Years) |  | Aggregate Intrinsic Value (in thousands)
Outstanding, January 1, 2024 | 4,579,659 |  |  | $ | 14.11 |  |  | 8.37 |  | $ | 25 |
Granted | 1,461,715 |  |  | 1.87 |  |  |  |  |
Exercised | — |  |  | — |  |  |  |  |
Expired/cancelled | (590,041) |  |  | 11.41 |  |  |  |  |
Outstanding as of June 30, 2024 | 5,451,333 |  |  | $ | 11.05 |  |  | 8.40 |  | $ | 16 |
Options exercisable as of June 30, 2024 | 2,478,035 |  |  | $ | 13.97 |  |  | 7.81 |  | $ | 16 |
Vested and expected to vest as of June 30, 2024 | 5,451,333 |  |  | $ | 11.05 |  |  | 8.40 |  | $ | 16 |
Schedule of Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity | Activity with respect to the Company’s restricted stock units during the six months ended June 30, 2024 is as follows:
| Shares |  | Weighted Average Grant Date Fair Value
Nonvested shares at January 1, 2024 | 32,558 |  |  | $ | 4.30 |
Granted | 308,700 |  |  | 1.92 |
Vested/Issued | — |  |  | — |
Forfeited | (7,410) |  |  | 1.92 |
Nonvested shares at current period end | 333,848 |  |  | $ | 2.15 |
Schedule of Recognized Compensation Cost Related to Employee and Non-employee Stock-Based Compensation Activity | The Company recognized the following compensation cost related to employee and non-employee share-based compensation activity for the periods presented (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Selling, general and administrative | $ | 1,772 |  |  | $ | 1,846 |  |  | $ | 4,114 |  |  | $ | 3,486 |
Research and development | 1,067 |  |  | 1,208 |  |  | 2,314 |  |  | 2,308 |
Total | $ | 2,839 |  |  | $ | 3,054 |  |  | $ | 6,428 |  |  | $ | 5,794 |
Schedule of Stock Options Valuation Assumptions | The calculation was based on the following assumptions:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Weighted average grant date fair value (per share) | $1.27 |  | $6.07 |  | $1.39 |  | $7.95
Risk-free interest rate | 4.27% - 4.29% |  | 3.47% - 3.85% |  | 4.13% - 4.29% |  | 3.42% - 4.17%
Expected volatility | 89.96% - 90.53% |  | 91.54% - 99.29% |  | 89.22% - 91.46% |  | 89.94% - 99.29%
Expected term (in years) | 5.50 - 6.06 |  | 5.50 - 6.08 |  | 5.00 - 6.08 |  | 5.50 - 6.08
Expected dividend yield | — |  | — |  | — |  | —

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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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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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