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Debt - Convertible grant narrative (Details)
$ in Thousands
1 Months Ended
Jul. 31, 2024
USD ($)
tranche
shares
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]        
Interest rate, basis spread (greater of) 2.00%      
Variable rate threshold for potential adjustment 9.00%      
Convertible Grant Agreement   $ 2,335 $ 2,227  
Convertible debt        
Debt Instrument [Line Items]        
Loan at fair value   2,335 2,227  
Convertible debt | Convertible debt        
Debt Instrument [Line Items]        
Loan at fair value   2,300    
Grant Agreement | Convertible debt        
Debt Instrument [Line Items]        
Number of tranches | tranche 6      
Discount on shares 20.00%      
Term of weighted average price for share conversion 30 days      
Maximum shares issuable (in shares) | shares 5,363,326      
Maximum percentage of outstanding stock 19.90%      
Convertible Grant Agreement     $ 800 $ 1,300
Grant Agreement | Convertible debt | First tranche, funded on December 16, 2022        
Debt Instrument [Line Items]        
Aggregate principle amount (up to) $ 2,000 $ 2,000    
Grant Agreement | Convertible debt | First tranche, funded on December 16, 2022 | Measurement Input, Discount Rate        
Debt Instrument [Line Items]        
Measurement input   0.2069    
Maximum | Grant Agreement | Convertible debt        
Debt Instrument [Line Items]        
Term loan $ 11,700