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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2025
Income Tax Disclosure [Abstract] |
Schedule of Components of Loss Before Income Taxes | The following were components of loss before income taxes:
|  | December 31, |
|  | 2025 |  |  | 2024 |
Pre-tax book loss |  |  |  |  |  |
Domestic |  | $ | (80,585 | ) |  | $ | (71,094 | )
Foreign |  |  | (20 | ) |  |  | (15 | )
Total pre-tax book loss |  | $ | (80,605 | ) |  | $ | (71,109 | )
Schedule of Reconciliation of Income Tax Benefit at Statutory Federal Income Tax Rate | A reconciliation of income tax benefit at the statutory federal income tax rate and income taxes as reflected in the consolidated financial statements as of December 31, 2025 and 2024 after the adoption of ASU 2023-09 is as follows (in thousands, except percentages):
|  | For the Year Ended December 31, |
|  | 2025 |  |  | 2024 |
|  | Amount |  | % of Pretax Losses |  |  | Amount |  | % of Pretax Losses |
US federal statutory tax rate |  |  | (16,927 | ) |  | 21.0 | % |  |  | (14,940 | ) |  | 21.0 | %
State and local income taxes, net of federal income tax effect |  |  | (118 | ) |  | 0.1 | % |  |  | (326 | ) |  | 0.5 | %
Foreign tax effects |  |  |  |  |  |  |  |  |  |
Australia |  |  |  |  |  |  |  |  |  |
Statutory tax rate difference between Australia and United States |  |  | (2 | ) |  | 0.0 | % |  |  | (1 | ) |  | 0.0 | %
Change in valuation allowance |  |  | 89 |  |  | (0.1 | )% |  |  | 4 |  |  | 0.0 | %
Other |  |  | (83 | ) |  | 0.1 | % |  |  | — |  |  | 0.0 | %
Tax Credits |  |  |  |  |  |  |  |  |  |
R&D Credits |  |  | (2,408 | ) |  | 3.0 | % |  |  | (2,322 | ) |  | 3.3 | %
Change in valuation allowance |  |  | 18,364 |  |  | (22.8 | )% |  |  | 16,080 |  |  | (22.6 | )%
Nontaxable or nondeductible items |  |  |  |  |  |  |  |  |  |
Other |  |  | 487 |  |  | (0.6 | )% |  |  | 599 |  |  | (0.8 | )%
Change in unrecognized tax benefit |  |  | 572 |  |  | (0.7 | )% |  |  | 906 |  |  | (1.3 | )%
Other adjustments |  |  | 26 |  |  | (0.0 | )% |  |  | — |  |  | — |
Effective tax rate |  |  | — |  |  | 0.0 | % |  |  | — |  |  | 0.0 | %
Schedule of Components of the Company's Deferred Taxes | Significant components of the Company’s deferred taxes as of December 31, 2025 and 2024 consisted of the following (in thousands):
|  | December 31, |
|  | 2025 |  |  | 2024 |
Deferred tax assets: |  |  |  |  |  |
Net operating loss carryforwards |  |  | 43,966 |  |  |  | 22,830 |
General business credit |  |  | 10,375 |  |  |  | 8,063 |
Amortization of temporary difference |  |  | 3,903 |  |  |  | 2,461 |
Stock-based compensation |  |  | 3,797 |  |  |  | 1,863 |
Capitalized research and development expenses |  |  | 10,746 |  |  |  | 19,914 |
Lease liability |  |  | 616 |  |  |  | 43 |
Deferred revenue |  |  | 1,216 |  |  |  | — |
Other |  |  | 1,081 |  |  |  | 947 |
Gross deferred tax assets |  |  | 75,700 |  |  |  | 56,121 |
Less: Valuation allowance |  |  | (75,060 | ) |  |  | (56,061 | )
Total deferred tax assets |  |  | 640 |  |  |  | 60 |
Deferred tax liabilities |  |  |  |  |  |
Fixed assets |  |  | (25 | ) |  |  | (18 | )
Right-of-use-asset |  |  | (589 | ) |  |  | (42 | )
Mark to market investments |  |  | (26 | ) |  |  | — |
Net deferred tax assets |  |  | — |  |  |  | — |
Schedule of Recognized an Uncertain Tax Benefit | The Company has the following activity relating to the gross amount of unrecognized tax benefits (in thousands):
Balance as of December 31, 2023 |  | 2,483 |
Increases related to 2024 |  | 907 |
Balance as of December 31, 2024 |  | 3,390 |
Decrease related to prior periods |  | (148 | )
Increases related to 2025 |  | 1,032 |
Balance as of December 31, 2025 |  | 4,274 |

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