Basis of presentation and summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents, and restricted cash in the balance sheets that sum to the total of the same such amounts shown in the statements of cash flows (in thousands):

	December 31,
	2022		2021
Cash and cash equivalents	$	37,887	$	142,467
Restricted cash	878		878
Total cash, cash equivalents, and restricted cash	$	38,765	$	143,345

Restrictions on Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents, and restricted cash in the balance sheets that sum to the total of the same such amounts shown in the statements of cash flows (in thousands):

	December 31,
	2022		2021
Cash and cash equivalents	$	37,887	$	142,467
Restricted cash	878		878
Total cash, cash equivalents, and restricted cash	$	38,765	$	143,345

Fair Value, Assets Measured on Recurring Basis

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

	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	$	—	$	—

	December 31, 2021
(in thousands)	Total		Level 1		Level 2		Level 3
Financial assets
Money market funds	$	140,856	$	140,856	$	—	$	—
U.S. treasury securities	—		—		—		—
Total financial assets	$	140,856	$	140,856	$	—	$	—