Leases - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Leases [Line Items] | ||
| Operating lease description | The Company leases space under operating leases for administrative offices in New York, New York, and Waltham, Massachusetts. The Company previously leased wet laboratory space in Watertown, Massachusetts, but this lease terminated in March 2025. | |
| Operating lease, payments | $ 100 | $ 100 |
| Operating lease costs | $ 108 | 135 |
| Weighted-Average remaining lease term | 56 months | |
| Weighted-average discount rate - operating lease | 8.40% | |
| General and Administrative Expenses [Member] | ||
| Leases [Line Items] | ||
| Operating lease costs | $ 100 | 100 |
| Research and Development Expenses [Member] | ||
| Leases [Line Items] | ||
| Operating lease costs | $ 0 | $ 24 |