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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2025
Income Tax Disclosure [Abstract] |
Schedule of Income (Loss) Before Taxes Related to our United States and Foreign Operations | Income (loss) before taxes related to the Company’s United States and foreign operations for the years ended December 31, 2025 and 2024 consists of the following (in thousands):
| December 31,
| 2025 |  | 2024
United States | $ | (39,476) |  |  | $ | (51,728) |
Foreign | (95) |  |  | (170) |
Loss before income taxes | $ | (39,571) |  |  | $ | (51,898) |
Schedule of Effective Income Tax Rate Reconciliation | A reconciliation between the federal statutory income tax amount and rate to the Company's actual effective amount and rate pursuant to the disclosure requirements of ASU 2023-09 for the year ended December 31, 2025 is as follows (in thousands):
| Year Ended Year Ended December 31, 2025
| $ |  | %
US federal statutory income tax rate | $ | (8,310) |  |  | 21.0 | %
Domestic state and local taxes, net of federal effect | — |  |  | — | %
Foreign tax effects | 20 |  |  | (0.1) | %
Tax credits: |  |  |
Research and development credits | (1,126) |  |  | 2.9 | %
Nontaxable or nondeductible items: |  |  |
Nondeductible stock based compensation | 310 |  |  | (0.8) | %
Change in fair value of warrants | 402 |  |  | (1.0) | %
Other nontaxable and nondeductible items | 244 |  |  | (0.6) | %
Changes in valuation allowance | 8,460 |  |  | (21.4) | %
Provision for income taxes and effective income tax rate | $ | — |  |  | 0.0 | %
A reconciliation between the federal statutory income tax rate and the Company's effective income tax rate prior to the adoption of ASU 2023-09 for the year ended December 31, 2024 is as follows:
| Year Ended December 31, 2024
Statutory federal income tax rate | 21.0 | %
State tax, net of federal benefits | (2.4) | %
Permanent differences | (3.5) | %
Federal research and development credits | 3.6 | %
State research and development credits | 0.6 | %
Other differences | 0.1 | %
Change in valuation allowance | (19.4) | %
Effective income tax rate | 0.0 | %
Schedule of Deferred Tax Assets and Liabilities | The principal components of the Company's net deferred tax assets at December 31, 2025 and 2024 is as follows (in thousands):
| December 31,
| 2025 |  | 2024
Deferred tax assets (liabilities): |  |  |
Net operating loss carryforwards | $ | 77,260 |  |  | $ | 64,646 |
Research and development tax credits | 16,534 |  |  | 15,117 |
Capitalized research and development | 13,412 |  |  | 17,585 |
Lease liability | 1,301 |  |  | 1,548 |
Other | 3,023 |  |  | 2,704 |
ROU asset | (1,218) |  |  | (1,470) |
Property and equipment | (8) |  |  | (13) |
Total deferred tax assets | 110,304 |  |  | 100,117 |
Less: Deferred tax asset valuation allowance | (110,304) |  |  | (100,117) |
Net deferred tax assets | $ | — |  |  | $ | — |
Schedule of Unrecognized Tax Benefits | A reconciliation of the unrecognized tax benefits for the years ended December 31, 2025 and 2024 is as follows (in thousands):
| Year Ended December 31,
| 2025 |  | 2024
Gross unrecognized tax benefit, beginning of period | $ | 4,141 |  |  | $ | 4,141 |
Increase (decrease) recognized in the income statement | — |  | —
Gross unrecognized tax benefit, end of period | $ | 4,141 |  |  | $ | 4,141 |

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