Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss	$ (47,459)	$ (61,326)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	3,702	4,936
Depreciation and amortization	3,795	3,238
Amortization of contract acquisition costs	2,769	4,069
Amortization of discount on convertible notes and debt issuance costs	1,146	1,109
Accretion of discount on investment securities and investment income, net	0	146
Deferred tax assets	71	43
Provision for credit losses	4,808	1,914
Changes in assets and liabilities:
Accounts receivable	3,634	(10,031)
Inventories	(8,582)	(536)
Other current assets and prepaid expenses	6,892	(776)
Other long-term assets	(330)	(4,782)
Accounts payable	(2,212)	(1,666)
Accrued liabilities	(24,441)	(3,806)
Operating leases, net	(56)	(30)
Deferred revenue	(1,611)	509
Net cash used in operating activities	(57,874)	(66,989)
Cash flows from investing activities
Acquisition of property and equipment	(1,217)	(25,108)
Proceeds from disposal of property and equipment	63	0
Proceeds from maturities of marketable investments	0	152,859
Purchase of marketable investments	0	(23,467)
Net cash provided by (used in) investing activities	(1,154)	104,284
Cash flows from financing activities
Proceeds from exercise of stock options and employee stock purchase plan	0	858
Taxes paid related to net share settlement of equity awards	(84)	(3,186)
Payments on finance lease obligations	(189)	(237)
Net cash used in financing activities	(273)	(2,565)
Net increase (decrease) in cash, cash equivalents and restricted cash	(59,301)	34,730
Cash, cash equivalents, and restricted cash at beginning of period	143,612	146,624
Cash, cash equivalents, and restricted cash at end of period	84,311	181,354
Supplemental non-cash operating, investing, and financing activities:
Assets acquired under finance lease	0	68
Assets acquired under operating lease	2,749	57
Acquisition of property and equipment	0	6,301
Supplemental disclosure of cash flow information:
Cash paid for interest	3,553	5,731
Cash paid for income taxes	$ 986	$ 483