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Preferred Stock - Narrative (Details) $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Aug. 10, 2023 USD ($) $ / shares shares | Aug. 09, 2023 $ / shares | Jun. 01, 2023 USD ($) | Jul. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) $ / shares shares | Mar. 31, 2023 USD ($) shares | Oct. 31, 2022 USD ($) $ / shares shares | Jul. 31, 2021 USD ($) | Mar. 31, 2021 USD ($) | Nov. 30, 2020 USD ($) | Sep. 30, 2023 USD ($) $ / shares shares | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) $ / shares shares | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($)
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  | 10,000,000 |  |  |
Preferred stock available for future issuance (in shares) |  |  |  |  |  |  |  |  |  |  | 5,984,998 |  | 5,984,998 |  |  |
Undeclared dividends | $ |  |  |  |  |  |  |  |  |  |  | $ 458 | $ 0 | $ 458 | $ 0 |  |
Automatic conversion, anniversary | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price, first automatic reset |  | 18 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price, second automatic reset |  | 47 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock, floor conversion price (in dollars per share) | $ / shares |  | $ 2.10 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of trading days, VWAP |  | 10 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidation preference (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 10.00 |  | $ 10.00 |  |  |
Sale of stock (in shares) | 4,015,002 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, price per share (in dollars per share) | $ / shares | $ 10.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds on sale of stock | $ | $ 40,150 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding (in shares) | 14,266,605 |  |  |  |  |  |  |  |  |  | 14,266,605 |  | 14,266,605 |  | 2,871,084 |
Percentage of then-outstanding preferred stock on an as-converted to common stock basis |  |  |  |  |  |  |  |  |  |  |  |  | 99.2 |  |  |
Proceeds from exercise of preferred stock warrants | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,630 | 0 |  | $ 117
Transfer of warrant liability to preferred stock upon exercise of warrants | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 25,409 | 0 |  |
Derivative liability, measurement input |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Enterprise value | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 220,000 |  |  |
Loss on equity issuance | $ |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 4,171 | $ 0 | $ 8,312 |
Measurement Input, Discount Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability, measurement input |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |
Series B-3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding (in shares) |  |  |  |  |  |  | 2,824,974 |  |  |  |  |  |  |  | 2,824,974 |
Warrants exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 4,771,642 |  |  |
Series B |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 36,707 |
Warrants exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 11,123 |  |  |
Transfer of warrant liability to preferred stock upon exercise of warrants | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 106 |  |  |
Tranche Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shares committed |  |  |  |  | 49.7 | 40 |  |  |  |  |  |  |  |  |  |
Fair value of warrant liability | $ |  |  | $ 14,701 |  |  |  |  |  |  |  |  |  |  |  |  |
Private Placement | Series B-3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Strike price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 2.03 |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuances (in shares) | 4,015,002 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from the issuance of preferred stock | $ | $ 40,150 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  | 10,000,000 |  |  |
Original issue price (in dollars per share) | $ / shares |  | $ 10.00 |  |  |  |  |  |  |  |  | $ 10.00 |  | $ 10.00 |  |  |
Preferred stock, dividend rate, percentage |  | 8.00% |  |  |  |  |  |  |  |  |  |  | 8.00% |  |  |
Liquidation preference (in dollars per share) | $ / shares |  | $ 10.00 |  |  |  |  |  |  |  |  | $ 10.00 |  | $ 10.00 |  |  |
Series B-2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) |  |  |  |  | 165,967 | 17,656 |  |  |  |  |  |  |  |  |  |
Net proceeds on sale of stock | $ |  |  |  |  | $ 2,350 | $ 250 |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 14.16 |  | $ 0.35 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1 |  | 1 |  |  |  |  |  |  |  |  |
Percentage of then-outstanding preferred stock on an as-converted to common stock basis |  |  |  |  |  |  |  |  |  |  |  |  | 99.2 |  |  |
Series B-2 | Tranche Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) |  |  |  |  | 257,779 | 207,541 |  |  |  |  |  |  |  |  |  |
Net proceeds on sale of stock | $ |  |  |  |  | $ 3,650 | $ 2,932 |  |  |  |  |  |  |  |  |  |
Series B-2 | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, price per share (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 14.16 |  |  |  |  |  |  |  |  |
Consideration received, potential increased amount | $ |  |  |  |  |  |  | $ 9,755 |  |  |  |  |  |  |  |  |
Number of shares issued in transaction, potential increased amount (in shares) |  |  |  |  |  |  | 706,243 |  |  |  |  |  |  |  |  |
Series B-2 | Private Placement | Tranche Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) |  |  |  |  |  |  | 518,854 |  |  |  |  |  |  |  |  |
Net proceeds on sale of stock | $ |  |  |  |  |  |  | $ 7,347 |  |  |  |  |  |  |  |  |
Series B-2 | Private Placement | Tranche Three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) |  |  |  |  |  |  | 306,053 |  |  |  |  |  |  |  |  |
Net proceeds on sale of stock | $ |  |  |  |  |  |  | $ 4,334 |  |  |  |  |  |  |  |  |
Series B-2 | Private Placement | Maximum | Tranche Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration received, potential increased amount | $ |  |  |  |  |  |  | 10,000 |  |  |  |  |  |  |  |  |
Series B-2 | Private Placement | Maximum | Tranche Three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration received, potential increased amount | $ |  |  |  |  |  |  | $ 5,000 |  |  |  |  |  |  |  |  |
Number of shares issued in transaction, potential increased amount (in shares) |  |  |  |  |  |  | 353,121 |  |  |  |  |  |  |  |  |
Series B-3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) |  |  |  |  | 663,868 | 70,624 |  |  |  |  |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right (in shares) |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 2.03 |  | $ 0.05 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1 |  | 1 |  |  |  |  |  |  |  |  |
Proceeds from exercise of preferred stock warrants | $ |  |  |  | $ 4,530 |  |  |  |  |  |  |  |  |  |  |  |
Series B-3 | Series B-2, B-3 preferred stock fair value per share | Valuation, Reverse Recapitalization Approach, Enterprise Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability, measurement input | $ / shares | 9.31 |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.93 |
Series B-3 | Series B |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from exercise of preferred stock warrants | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,771,642 |  |  |
Series B-3 | Tranche Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) |  |  |  |  | 1,031,116 | 830,167 |  |  |  |  |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right (in shares) |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |
Strike price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 2.03 |  |  |  |  |  |  |  |  |
Series B-3 | Tranche Three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right (in shares) |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |  |
Strike price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 2.03 |  |  |  |  |  |  |  |  |
Series B-3 | Private Placement | Tranche Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) |  |  |  |  |  |  | 2,075,417 |  |  |  |  |  |  |  |  |
Series B-3 | Private Placement | Tranche Three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) |  |  |  |  |  |  | 2,448,428 |  |  |  |  |  |  |  |  |
Series A-1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 38.84 |  | $ 1.06 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1.275 |  | 1.155 |  |  |  |  |  |  |  |  |
Series A-2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 12.14 |  | $ 0.33 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1.290 |  | 1.173 |  |  |  |  |  |  |  |  |
Series A-3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 13.36 |  | $ 0.37 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1.303 |  | 1.162 |  |  |  |  |  |  |  |  |
Series A-4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 12.55 |  | $ 0.34 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1.277 |  | 1.165 |  |  |  |  |  |  |  |  |
Series A-5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 13.36 |  | $ 0.37 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1.333 |  | 1.189 |  |  |  |  |  |  |  |  |
Series A-6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 14.97 |  | $ 0.42 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1.351 |  | 1.190 |  |  |  |  |  |  |  |  |
Proceeds from exercise of preferred stock warrants | $ |  |  |  |  |  |  |  |  |  | $ 19 |  |  |  |  |  |
Series B |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 9.71 |  | $ 0.26 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1.250 |  | 1.154 |  |  |  |  |  |  |  |  |
Proceeds from exercise of preferred stock warrants | $ |  |  |  |  |  |  |  | $ 117 | $ 117 |  |  |  |  |  |  |
Series B | Series B |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 11,123 |  |  |
Proceeds from exercise of preferred stock warrants | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 4 |  |  |
Series B-1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 10.93 |  | $ 0.30 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  | 1.296 |  | 1.167 |  |  |  |  |  |  |  |  |

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