Restricted Cash |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash and Cash Equivalents [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Restricted Cash | 4. Restricted Cash Restricted cash as of June 30, 2025 was held as collateral for a stand-by letter of credit issued by the Company to its Sublandlord (as defined in Note 11) in connection with the current lease for its principal facilities located at 300 Fifth Avenue, Waltham, Massachusetts. For additional information regarding the Company’s lease, refer to Note 11. Cash and restricted cash consisted of the following as of June 30, 2025 and December 31, 2024:
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