Summary of significant accounting policies (Tables)

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Schedule of Fair Value, Assets

The following table presents information about the Company's financial instruments that are measured at fair value on a recurring basis:

	September 30, 2023
(in thousands)	Total		Level 1		Level 2		Level 3
Financial assets
Money market funds	$	24,711	$	24,711	$	—	$	—
U.S. treasury securities	53,281		53,281		—		—
Total financial assets	$	77,992	$	77,992	$	—	$	—

	December 31, 2022
(in thousands)	Total		Level 1		Level 2		Level 3
Financial assets
Money market funds	$	33,767	$	33,767	$	—	$	—
U.S. treasury securities	61,970		61,970		—		—
Total financial assets	$	95,737	$	95,737	$	—	$	—