Summary of significant accounting policies (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2023

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 condensed balance sheets that sum to the total of the same such amounts shown in the condensed statements of cash flows:

(in thousands)	June 30, 2023		December 31, 2022
Cash and cash equivalents	$	31,110	$	37,887
Restricted cash		508		878
Total cash, cash equivalents, and restricted cash	$	31,618	$	38,765

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 condensed balance sheets that sum to the total of the same such amounts shown in the condensed statements of cash flows:

(in thousands)	June 30, 2023		December 31, 2022
Cash and cash equivalents	$	31,110	$	37,887
Restricted cash		508		878
Total cash, cash equivalents, and restricted cash	$	31,618	$	38,765

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

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, 2023
(in thousands)	Total		Level 1		Level 2		Level 3
Financial assets
Money market funds	$	30,593	$	30,593	$	—	$	—
U.S. treasury securities		50,965		50,965		—		—
Total financial assets	$	81,558	$	81,558	$	—	$	—

	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	$	—	$	—

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	$	—	$	—