v3.26.1
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Summary of Significant Accounting Policies [Line Items]        
Realized foreign currency transaction     $ 0 $ 18
Restricted cash     157
Deferred offering costs     900  
Grant income $ (648) $ (1,100) (1,673) (2,036)
Allowance for credit loss    
Impairment of long lived assets    
Income tax penalties and interest accrued    
Operating Costs and Expenses [Member]        
Summary of Significant Accounting Policies [Line Items]        
Grant income     1,700 2,000
Research and Development Expenses [Member]        
Summary of Significant Accounting Policies [Line Items]        
Grant income     2,300 2,800
Grant Revenue [Member]        
Summary of Significant Accounting Policies [Line Items]        
Grant income     1,700 2,000
United Kingdom [Member]        
Summary of Significant Accounting Policies [Line Items]        
Accounts receivable     500 700
United States [Member]        
Summary of Significant Accounting Policies [Line Items]        
Accounts receivable     $ 300 $ 800