Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Restricted Cash


(in thousands)	As of December 31, 2024		As of December 31, 2023

Letter of credit security: Vienna Austria lease	199		211
Letter of credit security: Boston and previous headquarter lease	577		821
Total restricted cash	$	776	$	1,032
Restricted cash included in prepaid expenses and other current assets	$	—	$	250
Restricted cash included in other assets	$	776	$	782

Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash to Cash Flows

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 December 31, 2024, 2023 and 2022:


(in thousands)	December 31, 2024		December 31, 2023		December 31, 2022
Cash and cash equivalents	$	55,699	$	99,216	$	121,718
Restricted cash, current (included within prepaid expenses and other current assets)	—		250		285
Restricted cash, non-current (included within other assets)	776		782		1,025
Total cash, cash equivalents and restricted cash	$	56,475	$	100,248	$	123,028

Property and Equipment Useful Life

Property and equipment are stated at cost less accumulated depreciation and amortization. Depreciation and amortization expense is recognized using the straight-line method over the estimated useful life of each asset, as follows:


			Estimated Useful Life
Office furniture			3 to 7 years
Computer equipment			3 years
Laboratory equipment			3 to 10 years
Leasehold improvements			Shorter of lease term or 10 years