CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (12,968)	$ (28,659)
Adjustments to reconcile net loss to net cash used in operating activities
Stock-based compensation expense	2,687	3,695
Depreciation and amortization	2,837	2,781
Noncash operating lease cost	337	539
Amortization of premium (discount) on short-term investments	(723)	(390)
Noncash restructuring and other charges		1,204
Other	199	144
Changes in operating assets and liabilities
Accounts receivable	6,385	(1,460)
Inventory and other deferred costs	1,707	262
Prepaid expenses and other assets	(203)	(254)
Accounts payable	(5,637)	(1,407)
Accrued and other current liabilities	(7,836)	426
Contract liabilities	(1,593)	4,999
Operating lease liabilities	(840)	2,375
Net cash used in operating activities	(20,413)	(15,745)
Cash flows from investing activities:
Purchases of available-for-sale debt securities	(29,095)	(21,529)
Proceeds from maturities of available-for-sale debt securities	35,500	39,100
Purchases of property and equipment	(104)	(3,778)
Net cash provided by investing activities	6,301	13,793
Cash flows from financing activities:
Proceeds from sales of common stock under ATM facility, net of commissions	1,437
Repayments of loans	(308)
Net cash provided by financing activities	1,129
Effect of exchange rates on cash, cash equivalents and restricted cash	(20)	(4)
Net change in cash, cash equivalents and restricted cash	(13,003)	(1,956)
Cash, cash equivalents and restricted cash, beginning of period	58,774	90,918
Cash, cash equivalents and restricted cash, end of period	45,771	88,962
Reconciliation of cash, cash equivalents and restricted cash to the condensed consolidated balance sheets:
Cash and cash equivalents	43,981	87,172
Restricted cash, included in other long-term assets	1,790	1,790
Total cash, cash equivalents and restricted cash	45,771	$ 88,962
Tempus Warrants
Adjustments to reconcile net loss to net cash used in operating activities
Noncash gain related to liability	$ (4,765)