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Income Taxes - Tax Rate Reconciliation, Amount (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]    
U. S. Federal Statutory Tax Rate $ (15,679)  
State and Local Income Taxes, Net of Federal Income Tax Effect (131)  
Effective Income Tax Rate Reconciliation, Tax Credit, Amount [Abstract]    
Research and development tax credits (2,669)  
Energy-related tax credits  
Tax credits, other  
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount [Abstract]    
Share-based payment awards 1,542  
Nondeductible items, other (398)  
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount [Abstract]    
Changes in Unrecognized Tax Benefits 1,301  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount [Abstract]    
Change in Valuation Allowance 11,640  
Statutory tax rate difference between Elimination and United States 4,654  
Income tax (benefit) expense 231 $ 188
SINGAPORE    
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount [Abstract]    
Singapore Local NOL (12,996)  
DTA not recognized due to DCL election 12,996  
Other 39  
Foreign Tax Jurisdiction, Other    
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]    
Foreign Tax Effects $ (68)