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Commitments and Contingencies - Additional Information (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) ft² | Sep. 30, 2021 ft² | Jun. 30, 2021 ft² | Dec. 31, 2018 USD ($) ft² Option | Aug. 31, 2018 USD ($) ft² | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Apr. 01, 2022 USD ($) | Dec. 31, 2021 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Area of space subject to operating lease | ft² |  |  |  | 2,485 | 23,000 |  |  |  |  |  |
Operating lease term |  |  |  | 3 years | 3 years |  |  |  |  |  |
Operating lease cost per year |  |  |  | $ 200 | $ 900 |  |  |  |  |  |
Annual base rent increase percentage for operating lease |  |  |  | 2.50% | 3.00% |  |  |  |  |  |
Operating lease commencement date |  |  |  | May 01, 2019 | Dec. 10, 2018 |  |  |  |  |  |
Operating lease right-of-use assets | $ 6,611 |  |  |  |  | $ 4,928 |  | $ 4,928 |  |  |
Operating lease liabilities |  |  |  |  |  | 5,306 |  | 5,306 |  |  |
Number of options to renewal operating lease term | Option |  |  |  | 1 |  |  |  |  |  |  |
Operating lease, renewal term |  |  |  | 2 years |  |  |  |  |  |  |
Southampton Agreement |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Expenses related to reimbursable patent costs |  |  |  |  |  | 20 | $ 20 | 80 | $ 160 |  |
Payment for license and collaboration agreement |  |  |  |  |  |  |  | 700 |  |  |
ASU 2016-02 |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating leases expense |  |  |  |  |  | $ 700 | $ 600 | $ 2,100 | $ 1,800 |  |
Lease Commencement on December 15, 2021 |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Area of space subject to operating lease | ft² |  | 23,000 |  |  |  |  |  |  |  |  |
Operating lease term |  | 3 years |  |  |  |  |  |  |  |  |
Operating lease commencement date |  | Dec. 15, 2021 |  |  |  |  |  |  |  |  |
Operating lease expiration date |  | Dec. 31, 2024 |  |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  |  |  |  |  |  |  |  |  |  | $ 3,500
Operating lease liabilities |  |  |  |  |  |  |  |  |  |  | 3,500
Lease Commencement on April 2022 |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Area of space subject to operating lease | ft² |  | 15,000 |  |  |  |  |  |  |  |  |
Operating lease commencement date |  | Apr. 01, 2022 |  |  |  |  |  |  |  |  |
Operating lease expiration date |  | Dec. 31, 2024 |  |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  |  |  |  |  |  |  |  |  | $ 1,800 |
Operating lease liabilities |  |  |  |  |  |  |  |  |  | $ 1,800 |
Lease Extension End Date April 30, 2025 |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Area of space subject to operating lease | ft² |  |  | 2,485 |  |  |  |  |  |  |  |
Operating lease term |  |  | 3 years |  |  |  |  |  |  |  |
Operating lease commencement date |  |  | May 01, 2022 |  |  |  |  |  |  |  |
Operating lease expiration date |  |  | Apr. 30, 2025 |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  |  |  |  |  |  |  |  |  |  | 700
Operating lease liabilities |  |  |  |  |  |  |  |  |  |  | 700
Operating lease, renewal term |  |  | 2 years |  |  |  |  |  |  |  |
Area of additional space subject to operating lease | ft² |  |  | 2,357 |  |  |  |  |  |  |  |
Additional operating lease commencement date |  |  | Jul. 06, 2021 |  |  |  |  |  |  |  |
Additional operating lease expiration date |  |  | Apr. 30, 2025 |  |  |  |  |  |  |  |
Additional operating lease, right-of-use asset |  |  |  |  |  |  |  |  |  |  | 800
Additional operating lease, liabilities |  |  |  |  |  |  |  |  |  |  | $ 800
Operating lease, option to extend |  |  | The amended lease provides the Company with the option to extend the term of the lease for an additional two years. |  |  |  |  |  |  |  |
Operating lease, existence of option to extend [true false] |  |  | true |  |  |  |  |  |  |  |
Lease Commencement on January 1, 2025 |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Area of space subject to operating lease | ft² | 38,000 |  |  |  |  |  |  |  |  |  |
Operating lease term | 2 years |  |  |  |  |  |  |  |  |  |
Operating lease commencement date | Jan. 01, 2025 |  |  |  |  |  |  |  |  |  |
Operating lease expiration date | Dec. 31, 2026 |  |  |  |  |  |  |  |  |  |
Operating lease right-of-use assets | $ 4,100 |  |  |  |  |  |  |  |  |  |

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