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Revenue Interest Financing Payable - Terms (Details) $ in Thousands |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 8 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 12, 2024 USD ($) | Jan. 05, 2024 USD ($) | Jan. 04, 2024 USD ($) | Jul. 27, 2023 USD ($) | Jan. 27, 2023 USD ($) | Jan. 09, 2023 USD ($) tranche | Sep. 30, 2024 USD ($) | Sep. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Sep. 11, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Revenue Interest Financing Payable |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of debt repaid with initial investment from RIFA |  |  |  |  |  |  |  |  |  |  |  | $ 2,190 |
Loss on extinguishment | $ (7,215) | $ 11,483 |  |  |  |  |  | $ 7,215 | $ (11,500) |  | $ (4,268) | $ (2,311) | $ (2,300)
Amount funded under the second tranche |  |  | $ 24,975 |  |  |  |  |  |  | $ 32,485 |  |  |
Revenue Interest Financing Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue Interest Financing Payable |  |  |  |  |  |  |  |  |  |  |  |  |
RIFA, maximum investment amount |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |
RIFA, number of tranches | tranche |  |  |  |  |  | 4 |  |  |  |  |  |  |
RIFA, initial investment amount |  |  |  |  | $ 32,500 |  |  |  |  |  |  |  |
RIFA, Hard Cap percentage |  |  |  |  |  | 175 |  |  |  |  |  |  |
Percentage of investment amount to be repaid on final approval |  |  |  |  |  | 100 |  |  |  |  |  |  |
Percentage of investment amount to be paid |  |  |  |  |  | 100 |  |  |  |  |  |  |
Minimum cash and cash equivalents required to be maintained during next year |  |  |  |  |  | $ 7,500 |  |  |  |  |  |  |
Minimum cash and cash equivalents required to be maintained after December 31, 2024 |  |  |  |  |  | $ 15,000 |  |  |  |  |  |  |
RIFA, total amount funded |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |
Issuance costs |  |  |  |  |  |  |  |  |  |  | $ 900 |  |
Effective annual interest rate |  |  |  |  |  |  |  |  |  |  | 15.20% |  |
Revenue Interest Financing Agreement | On first funded portion of investment amount |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue Interest Financing Payable |  |  |  |  |  |  |  |  |  |  |  |  |
RIFA, internal rate of return |  |  |  |  |  | 18.00% |  |  |  |  |  |  |
RIFA, total amount funded |  |  |  |  |  | $ 67,500 |  |  |  |  |  |  |
Revenue Interest Financing Agreement | On second portion of funded investment amount |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue Interest Financing Payable |  |  |  |  |  |  |  |  |  |  |  |  |
RIFA, internal rate of return |  |  |  |  |  | 16.00% |  |  |  |  |  |  |
RIFA, total amount funded |  |  |  |  |  | $ 32,500 |  |  |  |  |  |  |
Revenue Interest Financing Agreement | A&R Silicon Valley Bank Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue Interest Financing Payable |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of debt repaid with initial investment from RIFA |  |  |  |  | $ 22,200 |  |  |  |  |  |  |  |
Second and Third Amendments to Revenue Interest Financing Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue Interest Financing Payable |  |  |  |  |  |  |  |  |  |  |  |  |
Amount funded under the second tranche |  |  |  | $ 10,000 |  |  |  |  |  |  |  |  |
Fourth Amendment to Revenue Interest Financing Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue Interest Financing Payable |  |  |  |  |  |  |  |  |  |  |  |  |
Amount funded under the second tranche |  | $ 25,000 |  |  |  |  |  |  |  |  |  |  |
Fifth Amendment to Revenue Interest Financing Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue Interest Financing Payable |  |  |  |  |  |  |  |  |  |  |  |  |
Amount funded under the second tranche | $ 32,500 |  |  |  |  |  | $ 32,500 |  |  |  |  |  |

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