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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Amount    
US federal statutory income tax rate $ (8,310)  
Domestic state and local taxes, net of federal effect 0  
Foreign tax effects 20  
Research and development credits (1,126)  
Nondeductible stock based compensation 310  
Change in fair value of warrants 402  
Other nontaxable and nondeductible items 244  
Changes in valuation allowance 8,460  
Provision for income taxes and effective income tax rate $ 0 $ 0
Percent    
Statutory federal income tax rate 21.00% 21.00%
Research and development credits 2.90% 3.60%
Foreign tax effects (0.10%)  
Nondeductible stock based compensation (0.80%)  
Change in fair value of warrants (1.00%)  
Other nontaxable and nondeductible items (0.60%)  
Change in valuation allowance (21.40%) (19.40%)
Domestic state and local taxes, net of federal effect 0.00% (2.40%)
Other nontaxable and nondeductible items   0.10%
Permanent differences   (3.50%)
State research and development credits   0.006
Effective income tax rate 0.00% 0.00%