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Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
USD ($)
customer
Sep. 30, 2022
USD ($)
customer
Sep. 30, 2023
USD ($)
customer
Sep. 30, 2022
USD ($)
customer
Dec. 31, 2022
USD ($)
customer
Dec. 31, 2021
USD ($)
customer
Dec. 31, 2020
USD ($)
Concentration of risk, financial assets              
Financial instruments with off-balance sheet risk of accounting loss, assets         $ 0    
Concentration risk, financial liabilities              
Financial instruments with off-balance sheet risk of accounting loss, liabilities $ 0   $ 0   0    
Total revenue 6,662,000 $ 3,002,000 15,979,000 $ 6,888,000 $ 10,884,000 $ 4,101,000 $ 749,000
Three Customers              
Concentration risk, financial liabilities              
Number of major customers | customer   3          
Customer Concentration Risk | Three Customers              
Concentration risk, financial liabilities              
Number of major customers | customer       3      
Customer Concentration Risk | Sales Revenue              
Concentration risk, financial liabilities              
Number of major customers | customer         4 3  
Customer Concentration Risk | Sales Revenue | Customer One              
Concentration risk, financial liabilities              
Total revenue 1,700,000 $ 700,000 3,200,000 $ 1,900,000 $ 2,900,000 $ 1,300,000  
Customer Concentration Risk | Sales Revenue | Customer Two              
Concentration risk, financial liabilities              
Total revenue 1,300,000 600,000 3,200,000 1,800,000 2,700,000 1,300,000  
Customer Concentration Risk | Sales Revenue | Customer Three              
Concentration risk, financial liabilities              
Total revenue 1,100,000 $ 600,000 3,200,000 $ 1,700,000 $ 2,600,000 $ 1,200,000  
Concentration risk, percentage         93.00%    
Customer Concentration Risk | Sales Revenue | Customer Four              
Concentration risk, financial liabilities              
Total revenue 1,100,000   3,000,000.0   $ 1,200,000    
Concentration risk, percentage         86.00%    
Customer Concentration Risk | Sales Revenue | Customer Five              
Concentration risk, financial liabilities              
Total revenue $ 1,100,000   $ 2,100,000        
Customer Concentration Risk | Sales Revenue | Three Customers              
Concentration risk, financial liabilities              
Concentration risk, percentage   30.00%   33.00%      
Customer Concentration Risk | Sales Revenue | Four Customers              
Concentration risk, financial liabilities              
Number of major customers | customer 5   5        
Total revenue     $ 92        
Concentration risk, percentage 93.00%            
Customer Concentration Risk | Accounts Receivable              
Concentration risk, financial liabilities              
Number of major customers | customer         4    
Customer Concentration Risk | Accounts Receivable | Customer One              
Concentration risk, financial liabilities              
Concentration risk, percentage     36.00%   28.00%    
Customer Concentration Risk | Accounts Receivable | Customer Two              
Concentration risk, financial liabilities              
Concentration risk, percentage     26.00%   29.00%    
Customer Concentration Risk | Accounts Receivable | Customer Three              
Concentration risk, financial liabilities              
Concentration risk, percentage     18.00%   25.00%    
Customer Concentration Risk | Accounts Receivable | Customer Four              
Concentration risk, financial liabilities              
Concentration risk, percentage     15.00%   15.00%    
Customer Concentration Risk | Accounts Receivable | Customer Five              
Concentration risk, financial liabilities              
Concentration risk, percentage     0.00%        
Customer Concentration Risk | Accounts Receivable | Four Customers              
Concentration risk, financial liabilities              
Number of major customers | customer       5