5. Balance sheet components

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consisted of the following (in thousands):


	June 30, 2025		December 31, 2024
Research and development	$	10,562	$	24,185
Compensation and related benefits		5,646		5,861
Professional services and consulting		837		933
Operating lease liabilities, current portion		—		63
Other		1,173		2,135
Total accrued expenses and other current liabilities	$	18,218	$	33,177