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Debt - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 10, 2024
Jan. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Jun. 30, 2025
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Jan. 22, 2024
Debt Instrument [Line Items]                  
Loss on debt extinguishment     $ 0 $ 0   $ 0 $ (1,962)    
Additional warrants to purchase common stock           2.00%      
Fair value of warrants               $ 700  
Long-term debt, net     $ 40,069     $ 40,069   $ 39,356  
Tranche One B [Member]                  
Debt Instrument [Line Items]                  
Term loan advance tranche I $ 5,000                
Hercules Credit Agreement [Member]                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity   $ 65,000              
Line of credit achievement of certain performance milestones   10,000              
Line of credit facility, remaining borrowing capacity   15,000             $ 35,000
Maturity date           Jul. 01, 2028      
Interest in increments period   $ 5,000              
Debt instrument, frequency of periodic payment   30              
Debt instrument interest payment extended term   36 years              
Debt instrument, variable rate           10.35%      
Debt instrument, Initial interest rate     10.35%     10.35%      
Interest Rate During Period           5.95%      
Debt instrument, effective interest rate     2.35%     2.35%      
Warrants issued to purchase shares of convertible preferred stock 26,095 135,686             135,686
Class of warrant exercise price $ 3.83 $ 5.159             $ 5.159
Additional warrants to purchase common stock         2.00%        
Term Loans remain outstanding           $ 3,000      
Hercules Credit Agreement [Member] | Tranche One B [Member]                  
Debt Instrument [Line Items]                  
Issued additional warrants 26,095                
Class of warrant exercise price $ 3.83                
Hercules Capital Inc [Member] | Tranche Two Loans                  
Debt Instrument [Line Items]                  
Aggregate principal amount $ 40,000                
Hercules Third Amendment [Member]                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity     $ 65,000     $ 65,000      
Loan agreement initiation Date           Aug. 01, 2026      
Interest in increments period     5,000     $ 5,000      
Term expiration date           Feb. 01, 2027      
Hercules Third Amendment [Member] | Tranche Loans                  
Debt Instrument [Line Items]                  
Line of credit facility, remaining borrowing capacity     10,000     $ 10,000      
Hercules Third Amendment [Member] | Tranche Loans | Minimum                  
Debt Instrument [Line Items]                  
Line of credit facility, remaining borrowing capacity     15,000     15,000      
Hercules Third Amendment [Member] | Tranche Loans | Maximum                  
Debt Instrument [Line Items]                  
Line of credit facility, remaining borrowing capacity     $ 25,000     $ 25,000