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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2024
Income Tax Disclosure [Abstract] |
Schedule of Components of Provision for Income Taxes | The components of the provision for income taxes are summarized as follows (in thousands):
|  | Year ended December 31, |
|  | 2024 |  |  | 2023 |
Current: |  |  |  |  |  |
Federal |  | $ | — |  |  | $ | — |
State |  |  | — |  |  |  | — |
Foreign |  |  | 346 |  |  |  | — |
Total current |  |  | 346 |  |  |  | — |
Deferred: |  |  |  |  |  |
Federal |  |  | — |  |  |  | — |
State |  |  | — |  |  |  | — |
Foreign |  |  | (248 | ) |  |  | — |
Total deferred |  |  | (248 | ) |  |  | — |
Provision for income taxes |  | $ | 98 |  |  | $ | — |
Schedule of Effective Income Tax Rate Reconciliation | A reconciliation of the provision for income taxes to the actual income tax expense is as follows (in thousands):
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Federal tax benefit at statutory rate |  | $ | (18,166 | ) |  | $ | (18,118 | )
State taxes, net of federal benefit |  |  | (2,492 | ) |  |  | (2,491 | )
Change in valuation allowance |  |  | 17,136 |  |  |  | 19,112 |
Stock-based compensation tax deduction over book expense |  |  | 4,730 |  |  |  | 4,012 |
Permanent differences |  |  | 33 |  |  |  | 79 |
Research and development credits |  |  | (2,123 | ) |  |  | (2,323 | )
Executive compensation limitation |  |  | 1,926 |  |  |  | 384 |
Other |  |  | (946 | ) |  |  | (655 | )
Provision for income taxes |  | $ | 98 |  |  | $ | — |
Schedule of Deferred Tax Assets and Liabilities | The categories that give rise to significant components of the deferred tax assets as of December 31, 2024 and 2023, are as follows (in thousands):
|  | December 31, |
|  | 2024 |  |  | 2023 |
Deferred tax assets: |  |  |  |  |  |
Net operating loss carryforwards |  | $ | 50,602 |  |  | $ | 41,212 |
Accruals and reserves |  |  | 1,259 |  |  |  | 1,296 |
Research and development credits |  |  | 8,538 |  |  |  | 6,415 |
Stock-based compensation |  |  | 11,408 |  |  |  | 11,348 |
Lease liabilities |  |  | 6,664 |  |  |  | 7,212 |
Capitalized research and experimentation |  |  | 17,879 |  |  |  | 13,502 |
Fixed assets |  |  | 269 |  |  |  | — |
Other |  |  | 641 |  |  |  | — |
Gross deferred tax assets |  |  | 97,260 |  |  |  | 80,985 |
Valuation allowance |  |  | (91,163 | ) |  |  | (74,026 | )
Deferred tax liabilities: |  |  |  |  |  |
Fixed assets |  |  | — |  |  |  | (411 | )
Right-of-use assets |  |  | (5,849 | ) |  |  | (6,426 | )
Other |  |  | — |  |  |  | (122 | )
Gross deferred tax liabilities |  |  | (5,849 | ) |  |  | (6,959 | )
Total net deferred tax assets: |  | $ | 248 |  |  | $ | — |
Schedule of Unrecognized Tax Benefits Roll Forward | The beginning and ending unrecognized tax benefits amounts are as follows (in thousands):
|  | December 31, |
|  | 2024 |  |  | 2023 |
Beginning balance |  | $ | 2,364 |  |  | $ | 1,586 |
Change related to prior year positions |  |  | — |  |  |  | 26 |
Change related to current year positions |  |  | 772 |  |  |  | 752 |
Ending balance |  | $ | 3,136 |  |  | $ | 2,364 |

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