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Convertible Preferred Stock - 2022 Financing (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2022
USD ($)
$ / shares
shares
Jun. 30, 2022
USD ($)
$ / shares
shares
May 31, 2022
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Y
Dec. 31, 2021
USD ($)
Aug. 10, 2023
$ / shares
Jul. 31, 2023
shares
Jun. 30, 2023
Jul. 31, 2021
shares
Mar. 31, 2021
shares
Nov. 30, 2020
shares
Convertible Preferred Stock                              
Exercise price of warrants (in dollars per share)                   $ 11.50          
Loss on equity issuance | $       $ 0 $ 0 $ (4,171) $ 0 $ (8,312)              
Change in fair value of tranche and warrant liabilities | $               2,186 $ 379            
Warrant liabilities                              
Convertible Preferred Stock                              
Fair value of liabilities | $ $ 11,966             15,819              
Series B-2 tranche liabilities                              
Convertible Preferred Stock                              
Fair value of liabilities | $ 6,347                            
Business Combination scenario                              
Convertible Preferred Stock                              
Enterprise value allocated | $ $ 220                            
Value assigned to the tranche rights and obligations | $               $ 0              
Stock price | Business Combination scenario                              
Convertible Preferred Stock                              
Warrants and rights outstanding measurement input 10.93                            
Expected share price volatility | Minimum | Series B-2 tranche liabilities                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input 50.0                            
Expected share price volatility | Maximum | Series B-2 tranche liabilities                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input 65.0                            
Risk-free interest rate | Minimum | Series B-2 tranche liabilities                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input 4.0                            
Risk-free interest rate | Maximum | Series B-2 tranche liabilities                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input 4.7                            
Term | Minimum | Warrant liabilities                              
Convertible Preferred Stock                              
Warrants and rights outstanding measurement input | Y               5.8              
Term | Minimum | Series B-2 tranche liabilities                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input | Y               0.2              
Term | Maximum | Warrant liabilities                              
Convertible Preferred Stock                              
Warrants and rights outstanding measurement input | Y               6.0              
Term | Maximum | Series B-2 tranche liabilities                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input | Y               0.4              
Dividend                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input | $ 0                            
Discount rate | Business Combination scenario                              
Convertible Preferred Stock                              
Warrants and rights outstanding measurement input 30                            
2022 Financing                              
Convertible Preferred Stock                              
Loss on equity issuance | $               $ 4,702              
Change in fair value of tranche and warrant liabilities | $               $ 2,208              
Series A-1 preferred stock                              
Convertible Preferred Stock                              
Exchange ratios 1.155                     1.275      
Series A-1 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Conversion prices of the Company's preferred stock $ 42.89                            
Exchange ratios 1.155                            
Series A-2 preferred stock                              
Convertible Preferred Stock                              
Exchange ratios 1.173                     1.290      
Series A-2 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Conversion prices of the Company's preferred stock $ 13.36                            
Exchange ratios 1.173                            
Series A-3 preferred stock                              
Convertible Preferred Stock                              
Exchange ratios 1.162                     1.303      
Series A-3 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Conversion prices of the Company's preferred stock $ 14.97                            
Exchange ratios 1.162                            
Series A-4 preferred stock                              
Convertible Preferred Stock                              
Exchange ratios 1.165                     1.277      
Series A-4 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Conversion prices of the Company's preferred stock $ 13.76                            
Exchange ratios 1.165                            
Series A-5 preferred stock                              
Convertible Preferred Stock                              
Exchange ratios 1.189                     1.333      
Series A-5 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Conversion prices of the Company's preferred stock $ 14.97                            
Exchange ratios 1.189                            
Series A-6 preferred stock                              
Convertible Preferred Stock                              
Warrants to purchase Series B-3 preferred stock (in shares) | shares                             59,102
Exchange ratios 1.190                     1.351      
Series A-6 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Conversion prices of the Company's preferred stock $ 17.00                            
Exchange ratios 1.190                            
Series B preferred stock                              
Convertible Preferred Stock                              
Warrants to purchase Series B-3 preferred stock (in shares) | shares                         289,552 289,552  
Exchange ratios 1.154                     1.250      
Series B preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Conversion prices of the Company's preferred stock $ 10.52                            
Exchange ratios 1.154                            
Series B-1 preferred stock                              
Convertible Preferred Stock                              
Exchange ratios 1.167                     1.296      
Series B-1 preferred stock | Fair value of underlying stock                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input 14.97                            
Series B-1 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Number of shares sold | shares   247,185 247,185                        
Price of shares sold   $ 14.16 $ 14.16                        
Net proceeds | $   $ 3,499 $ 3,499                        
Conversion prices of the Company's preferred stock $ 12.14                            
Exchange ratios 1.167                            
Series B-2 preferred stock                              
Convertible Preferred Stock                              
Exchange ratios 1                     1      
Percentage of then outstanding shares on an as-converted to common stock basis, offered 99.20%                            
Series B-2 preferred stock | Fair value of underlying stock                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input 14.16                            
Series B-2 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Number of shares sold | shares 706,243                            
Price of shares sold $ 14.16                            
Net proceeds | $ $ 9,755                            
Conversion prices of the Company's preferred stock $ 14.16                            
Exchange ratios 1                            
Series B-2 preferred stock | B-2 Preferred Stock Financing, Second tranche, closings                              
Convertible Preferred Stock                              
Maximum number of shares agreed to sell | shares 518,854                            
Aggregate proceeds receivable | $ $ 7,347                            
Maximum proceeds receivable through the sale of additional shares | $ $ 10,000                            
Series B-2 preferred stock | B-2 Preferred Stock Financing, Third tranche                              
Convertible Preferred Stock                              
Class of warrant or right, number of securities called by each warrant or right (in shares) | shares 8                            
Warrants to purchase Series B-3 preferred stock (in shares) | shares 2,448,428                            
Exercise price of warrants (in dollars per share) $ 2.03                            
Maximum number of shares agreed to sell | shares 306,053                            
Aggregate proceeds receivable | $ $ 4,334                            
Maximum proceeds receivable through the sale of additional shares | $ $ 5,000                            
Maximum number of shares agreed to sell through sale of additional shares | shares 353,121                            
Series B-3 preferred stock                              
Convertible Preferred Stock                              
Class of warrant or right, number of securities called by each warrant or right (in shares) | shares 4                            
Warrants to purchase Series B-3 preferred stock (in shares) | shares                     2,239,309        
Exchange ratios 1                     1      
Series B-3 preferred stock | Fair value of underlying stock                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input 3.24                            
Series B-3 preferred stock | Series B-3 Warrants exercise price per share                              
Convertible Preferred Stock                              
Series B 2 Tranche Liability, measurement input 2.03                            
Series B-3 preferred stock | 2022 Financing                              
Convertible Preferred Stock                              
Class of warrant or right, number of securities called by each warrant or right (in shares) | shares 4                            
Warrants to purchase Series B-3 preferred stock (in shares) | shares 2,824,974                            
Exercise price of warrants (in dollars per share) $ 2.03                            
Conversion prices of the Company's preferred stock $ 2.03                            
Exchange ratios 1                            
Series B-3 preferred stock | B-2 Preferred Stock Financing, Second tranche, closings                              
Convertible Preferred Stock                              
Class of warrant or right, number of securities called by each warrant or right (in shares) | shares 4                            
Warrants to purchase Series B-3 preferred stock (in shares) | shares 2,075,417                            
Exercise price of warrants (in dollars per share) $ 2.03