Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (37,574)	$ (33,565)
Adjustments to reconcile loss to net cash used in operating activities:
Depreciation and amortization	3	90
Accretion of investments	(3,019)	(4,163)
Stock-based compensation	12,322	14,303
Amortization of intangible asset	2,323	2,186
Changes in assets and liabilities:
Accounts receivable, net	(5,030)	20,921
Inventory	36,979	38,208
Prepaid and other current assets	(17,260)	4,471
Other long-term assets	104	110
Interest receivable	449	(250)
Deferred revenue		(4,850)
Accounts payable and other current liabilities	2,284	(55,382)
Other long-term liabilities	(131)	211
Net cash used in operating activities	(8,550)	(17,710)
CASH FLOWS FROM INVESTING ACTIVITIES:
Maturities of securities	162,300	185,800
Purchases of securities	(149,955)	(208,937)
Net cash provided by (used in) investing activities	12,345	(23,137)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock under employee stock purchase plan	57	122
Proceeds from exercise of stock options		10
Taxes paid related to stock-based awards	(2,087)	(1,592)
Net cash used in financing activities	(2,030)	(1,460)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	1,765	(42,307)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	121,338	199,777
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	123,103	157,470
Cash paid during the year for:
Income taxes	(148)	(2,045)
Supplemental disclosure of non-cash transactions:
Initial recognition of operating lease right-of-use asset	$ 856	$ 1,068