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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Income taxes    
Income tax expense (benefit) $ 0 $ 0
Deferred income tax expense (benefit) 0 0
Increase (decrease) in valuation allowance 7,193 $ 5,772
Federal    
Income taxes    
Operating loss carryforwards that expire 11,503  
Operating loss carryforwards that do not expire 26,560  
Net operating loss carryforwards 38,063  
Federal net operating loss carryforwards 589  
State    
Income taxes    
Net operating loss carryforwards $ 12,613