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Debt - Narrative (Details) - USD ($)
 9 Months Ended 12 Months Ended
Aug. 05, 2025
May 01, 2025
Nov. 06, 2024
May 02, 2023
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Aug. 31, 2022
Dec. 31, 2020
Debt Instrument [Line Items]                  
Number of securities called by warrants or rights (in shares)         3,018,304        
Repayments of convertible debt         $ 14,949,000 $ 33,781,000      
Line of Credit                  
Debt Instrument [Line Items]                  
Debt covenant, debt default threshold         1,000,000        
2029 Senior Secured Notes | Secured Debt                  
Debt Instrument [Line Items]                  
Debt aggregate face amount     $ 40,900,000            
Stated interest rate of debt issued     9.00%            
Redemption price as a percentage of principal amount     100.00%            
Carrying amount of debt         $ 40,879,000   $ 40,879,000    
Repurchased face amount             40,900,000    
Effective interest rate         8.50%        
2029 Senior Secured Notes | Secured Debt | Related Party                  
Debt Instrument [Line Items]                  
Carrying amount of debt         $ 31,800,000        
2025 Notes | Convertible Debt                  
Debt Instrument [Line Items]                  
Stated interest rate of debt issued                 3.25%
Carrying amount of debt             14,949,000    
Repurchased face amount             146,900,000    
Debt instrument, repurchase amount             $ 33,800,000    
Issuance of common shares in connection with a public offering, net of issuance costs (in shares)             2,900,000    
Number of securities called by warrants or rights (in shares)             2,500,000    
Repayments of convertible debt   $ 14,900,000              
Effective interest rate         4.20% 4.20%      
2025 Notes | Convertible Debt | Related Party                  
Debt Instrument [Line Items]                  
Carrying amount of debt             $ 0    
Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity               $ 50,000,000  
Debt aggregate face amount       $ 4,000,000          
Minimum draw       8,500,000       $ 4,500,000  
Line of credit increase       $ 4,000,000          
Effective interest rate           36.10%      
Revolving Credit Facility | Line of Credit                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity $ 15,000,000                
Debt covenant, termination events threshold         $ 1,000,000        
Debt issuance costs         200,000        
Amount outstanding         0        
Remaining borrowing capacity         $ 14,500,000        
Revolving Credit Facility | Minimum                  
Debt Instrument [Line Items]                  
Commitment fee rate       7.50%          
Revolving Credit Facility | Minimum | Line of Credit                  
Debt Instrument [Line Items]                  
Basis spread 100.00%                
Revolving Credit Facility | Maximum                  
Debt Instrument [Line Items]                  
Commitment fee rate       12.50%          
Revolving Credit Facility | Maximum | Line of Credit                  
Debt Instrument [Line Items]                  
Basis spread 250.00%                
Line of Credit | Short-Term Loan Agreement                  
Debt Instrument [Line Items]                  
Effective interest rate           112.50%