Fair value measurements (Tables)

12 Months Ended

Dec. 31, 2023

Fair value measurements

Assets and liabilities measured at fair value on a recurring basis

Assets and liabilities measured at fair value on a recurring basis as of December 31, 2023 and 2022 are as follows:

			Quoted Prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
			Identical Assets		Inputs		Inputs
Assets	Total		(Level 1)		(Level 2)		(Level 3)
	(in thousands)
December 31, 2023
Money market funds included in cash and cash equivalents	$	65,589	$	65,589	$	—	$	—
Marketable securities:
U.S. Treasury notes		103,044		103,044		—		—
U.S. Government agency securities		31,075		31,075		—		—
Corporate bonds		23,970		—		23,970		—
Commercial paper		3,985		—		3,985		—
Total money market funds and marketable securities	$	227,663	$	199,708	$	27,955	$	—
December 31, 2022
Money market funds included in cash and cash equivalents	$	91,724	$	91,724	$	—	$	—
Marketable securities:
U.S. Treasury notes		19,889		19,889		—		—
Total money market funds and marketable securities	$	111,613	$	111,613	$	—	$	—