CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (104,621)	$ (60,110)
Adjustments to reconcile net loss to cash flows used in operating activities:
Depreciation of property and equipment	1,035	665
Amortization of debt discount and premium and discount on available-for-sale marketable securities	(2,934)	(2,267)
Stock-based compensation	14,696	21,394
Deferred income tax	(90)	0
Changes in operating assets and liabilities:
Accounts receivable and other current assets	3,248	(1,168)
Other assets	(62)	0
Inventory	(373)	233
Accounts payable and accrued expenses	1,504	3,636
Right-of-use assets and operating lease liabilities	543	539
Deferred revenue	(28,637)	(14,271)
Other noncurrent liabilities	(18)	0
Net cash (used in) provided by operating activities	(115,709)	(51,349)
Cash flows from investing activities:
Purchases of marketable securities	(93,368)	(184,995)
Sales and maturities of marketable securities	182,725	47,500
Purchases of property and equipment	(1,496)	(2,094)
Net cash (used in) provided by investing activities	87,861	(139,589)
Cash flows from financing activities:
Payment of equity issue costs	(291)	(307)
Net settlement of stock units to satisfy statutory tax withholding	(1,237)	(4,434)
Proceeds from exercise of stock options and employee stock purchase plan	866	5,185
Principal payments on finance lease obligations	(51)	0
Net cash (used in) provided by financing activities	(713)	444
Net (decrease) increase in cash, cash equivalents and restricted cash	(28,561)	(190,494)
Cash, cash equivalents and restricted cash at beginning of period	99,854	281,413
Cash, cash equivalents and restricted cash at end of period	71,293	90,919
Reconciliation of cash, cash equivalents and restricted cash to the condensed consolidated balance sheets:
Cash and cash equivalents	71,143	90,769
Restricted cash	150	150
Total cash, cash equivalents and restricted cash at end of period	71,293	90,919
Supplemental disclosure of non-cash investing and financing activities:
Lease liability arising from obtaining right-of-use assets	903	17,656
Property and equipment additions in accounts payable and accrued expenses	43	220
Stock issuance costs in accounts payable and accrued expenses	$ 20	$ 0