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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2024
Accounting Policies [Abstract]  
Schedule of Restricted Cash
Restricted Cash
(in thousands)As of March 31, 2024As of December 31, 2023
Letter of credit security: Waltham lease$— $250 
Letter of credit security: Vienna Austria lease206 211 
Letter of credit security: Boston lease571 571 
Total restricted cash$777 $1,032 
Restricted cash included in prepaid expenses and other current assets$— $250 
Restricted cash included in other assets$777 $782 
Schedule of Reconciliation of Cash, Cash Equivalents, and Restricted Cash
The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the consolidated balance sheets to the sum to the total of amounts shown in the Company’s consolidated statements of cash flows as of March 31, 2024 and December 31, 2023:
 
(in thousands)March 31, 2024December 31, 2023
Cash and cash equivalents$60,493 $99,216 
Restricted cash, current (included within prepaid expenses and other current assets)— 250 
Restricted cash, non-current777 782 
Total cash, cash equivalents and restricted cash$61,270 $100,248