Summary of significant accounting policies (Tables)

6 Months Ended

Jun. 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:

	June 30, 2022
(in thousands)	Total		Level 1		Level 2		Level 3
Financial assets
Cash equivalents	$	76,431	$	76,431	$	—	$	—
Short-term investments	38,931		38,931		—		—
Total financial assets	$	115,362	$	115,362	$	—	$	—

	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	$	—	$	—

Schedule of Investments

The Company's investments consist of the following:

	June 30, 2022
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. treasury securities - due within 1 year	$	39,003	$	—	$	(72)	$	38,931
Money market funds	76,431		—		—		76,431
Total	$	115,434	$	—	$	(72)	$	115,362

	December 31, 2021
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. treasury securities - due within 1 year	$	—	$	—	$	—	$	—
Money market funds	140,856		—		—		140,856
Total	$	140,856	$	—	$	—	$	140,856