Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (27,800)	$ (27,320)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	3,313	1,347
Non-cash operating lease expense	217	0
Change in fair value of redeemable convertible preferred stock tranche liability	0	11,718
Amortization of premiums and accretion of discounts on investments	293	0
Foreign currency loss (gain) from remeasurement	1,228	(166)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	1,646	(3,810)
Long-term assets	(4,561)	(192)
Accounts payable	(343)	871
Accrued liabilities	1,490	2,411
Accounts payable and accrued liabilities, related party	3	(80)
Operating lease liabilities	(231)	0
Net cash used in operating activities	(24,745)	(15,221)
Cash flows from investing activities:
Purchase of marketable securities	(34,507)	0
Proceeds from maturities of marketable securities	46,160	0
Net cash provided by investing activities	11,653	0
Cash flows from financing activities
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs	0	93,939
Proceeds from the exercise of stock options	0	111
Net cash provided by financing activities	0	94,050
Effect of exchange rate changes on cash and cash equivalents	(1,228)	166
Net change in cash and cash equivalents	(14,320)	78,995
Cash and cash equivalents at beginning of period	46,922	20,487
Cash and cash equivalents at end of period	32,602	99,482
Supplemental disclosure of cash operating activities:
Cash paid for leases included in operating cash outflows	227	0
Supplemental disclosure of non-cash investing and financing activities:
Right-of-use assets obtained in exchange for lease liabilities	$ 915	$ 0