Stockholders' Equity (Tables)
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6 Months Ended |
Jun. 30, 2026 |
| Stockholders Equity Note [Abstract] |
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| Schedule of Common Stock Reserved for Future Issuance |
The Company had reserved shares of common stock for future issuance as shown in the table below:
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June 30, 2026 |
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December 31, 2025 |
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Shares of common stock reserved for future issuance upon exercise of outstanding warrants and pre-funded warrants |
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19,100,800 |
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19,100,800 |
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Shares of common stock reserved for future issuance upon exercise under the Amended and Restated 2019 Stock Incentive Plan |
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11,386,272 |
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9,023,200 |
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Shares of common stock reserved for future issuance under the 2019 Employee Stock Purchase Plan |
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1,097,288 |
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1,103,842 |
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Shares of common stock reserved for future issuance upon exercise under the 2012 Stock Incentive Plan |
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278,418 |
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278,418 |
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31,862,778 |
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29,506,260 |
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| Warrant Activity Including Activity Related To Pre-funded Warrants |
Warrants Warrant activity, including activity related to pre-funded warrants, is shown in the table below:
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Number of Pre-funded Warrant Shares |
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Number of Common Stock Warrant Shares |
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Total Number of Warrant Shares |
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Weighted Average Exercise Price |
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Outstanding as of December 31, 2025 |
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17,248,948 |
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1,851,852 |
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19,100,800 |
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$ |
0.13 |
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Exercised |
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— |
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— |
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— |
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$ |
— |
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Outstanding as of June 30, 2026 |
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17,248,948 |
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1,851,852 |
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19,100,800 |
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$ |
0.13 |
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| Schedule of Share-based Compensation, Stock Options, Activity |
A summary of the Company’s combined stock option activity for the 2019 Plan and the 2012 Plan is as follows:
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Number of Option Shares |
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Weighted Average Exercise Price |
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Outstanding as of December 31, 2025 |
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9,301,618 |
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$ |
3.63 |
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Granted |
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3,581,500 |
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$ |
11.19 |
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Exercised |
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(768,273 |
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$ |
2.53 |
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Forfeited |
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(337,655 |
) |
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$ |
6.73 |
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Expired |
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— |
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$ |
— |
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Outstanding as of June 30, 2026 |
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11,777,190 |
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$ |
5.91 |
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Options exercisable as of June 30, 2026 |
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5,920,713 |
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$ |
3.80 |
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Options unvested as of June 30, 2026 |
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5,856,477 |
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$ |
8.04 |
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| Schedule of Stock-based Compensation Expenses Recognized |
The following table summarizes the classifications of stock-based compensation expenses for the 2012 Plan, the 2019 Plan and the 2019 ESPP recognized in the Condensed Consolidated Statements of Comprehensive Loss:
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Three Months Ended June 30, |
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Six Months Ended June 30, |
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2026 |
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2025 |
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2026 |
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2025 |
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General and administrative expense |
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$ |
1,896 |
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$ |
787 |
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$ |
3,245 |
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$ |
1,471 |
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Research and development expense |
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1,376 |
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597 |
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2,218 |
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1,121 |
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Total stock-based compensation expenses |
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$ |
3,272 |
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$ |
1,384 |
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$ |
5,463 |
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$ |
2,592 |
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