Summary of significant accounting policies (Tables)

9 Months Ended

Sep. 30, 2022

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, 2022
(in thousands)	Total		Level 1		Level 2		Level 3
Financial assets
Cash equivalents	$	39,684	$	39,684	$	—	$	—
Short-term investments	66,543		66,543		—		—
Total financial assets	$	106,227	$	106,227	$	—	$	—

	December 31, 2021
(in thousands)	Total		Level 1		Level 2		Level 3
Financial assets
Cash equivalents	$	140,856	$	140,856	$	—	$	—
Short-term investments	—		—		—		—
Total financial assets	$	140,856	$	140,856	$	—	$	—