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Debt - Narrative (Details) - USD ($)
 1 Months Ended 12 Months Ended
Mar. 31, 2025
Jun. 30, 2025
Aug. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2025
Jan. 31, 2025
Debt Instrument [Line Items]              
Proceeds from issuance of common stock and common warrants from January 2025 Offering     $ 19,700,000 $ 9,143,000 $ 0    
Amortization of debt discount       $ 217,000 $ 75,000    
Exercise price (in dollars per share)       $ 4.68 $ 3.85    
Net carrying value       $ 9,407,000 $ 20,034,000    
First year              
Debt Instrument [Line Items]              
Debt instrument, prepayment fee prepaid (as a percent)   3.00%          
Second year              
Debt Instrument [Line Items]              
Debt instrument, prepayment fee prepaid (as a percent)   2.00%          
Three Year              
Debt Instrument [Line Items]              
Debt instrument, prepayment fee prepaid (as a percent)   1.00%          
Common Stock | GKCC              
Debt Instrument [Line Items]              
Ownership maximum (as a percent)   49.99%          
Pre-Funded Warrant | Common Stock              
Debt Instrument [Line Items]              
Number of shares of common stock to purchase (up to) (in shares) 3,500,573            
Accrued interest $ 300,000            
Exercise price (in dollars per share)             $ 7.80
June 2025 Warrants              
Debt Instrument [Line Items]              
Warrants and rights outstanding   $ 600,000          
Senior Secured Convertible Promissory Note              
Debt Instrument [Line Items]              
Stated interest rate (as a percent)       12.50%      
Debt instrument, face amount   $ 10,000,000.0          
Amortization of debt discount       $ 200,000      
Number of shares of common stock to purchase (up to) (in shares)   103,225       103,225  
Basis spread on variable rate (as a percent)   5.00%          
Exercise price (in dollars per share)   $ 7.75          
Warrants, contractual term (in years)   5 years          
Proceeds from issuance of long-term debt   $ 9,900,000          
Net carrying value       9,400,000      
Debt discount       600,000      
Accrued interest       $ 700,000      
Senior Secured Convertible Promissory Note | Maximum              
Debt Instrument [Line Items]              
Stated interest rate (as a percent)       12.50%      
Convertible Debt              
Debt Instrument [Line Items]              
Proceeds from issuance of common stock and common warrants from January 2025 Offering     $ 19,700,000        
Convertible Debt | Senior Secured Convertible Promissory Note              
Debt Instrument [Line Items]              
Stated interest rate (as a percent)     3.00%        
Debt instrument, face amount     $ 20,000,000.0        
Amortization of debt discount       $ 0 100,000    
Interest expense       $ 100,000 $ 200,000