Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (72,557)	$ (78,393)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and amortization	3,781	2,489
Stock-based compensation expense	22,755	14,153
Change in fair value of derivative liability	114	80
Non-cash lease adjustment	(287)	123
Inventory write-down	1,281	995
Provision for credit losses	456	0
Changes in operating assets and liabilities:
Accounts receivable	(21,128)	(19,349)
Inventory	(11,438)	(12,937)
Prepaid expenses and other current assets	(1,210)	2,194
Other assets	(334)	(365)
Accounts payable	3,227	(87)
Accrued compensation	1,949	(182)
Accrued interest expense	100	93
Deferred revenue	2,295	2,668
Reimbursements for leasehold improvements from operating leases	2,596	4,989
Other liabilities	1,578	319
Net cash used in operating activities	(66,822)	(83,210)
Cash flows from investing activities:
Purchases of property and equipment	(3,235)	(16,491)
Net cash used in investing activities	(3,235)	(16,491)
Cash flows from financing activities:
Proceeds from the issuance of common stock, net of issuance costs	0	161,705
Proceeds from issuance of common stock from the exercise of stock options	7,474	1,507
Proceeds from issuance of common stock under employee stock purchase plan	2,123	1,717
Net cash provided by financing activities	9,597	164,929
Net increase (decrease) in cash, cash equivalents and restricted cash	(60,460)	65,228
Beginning of the period	260,260	225,674
End of the period	199,800	290,902
Reconciliation of cash, cash equivalents and restricted cash to balance sheets:
Cash and cash equivalents	196,762	287,087
Restricted cash	3,038	3,815
Cash, cash equivalents and restricted cash in balance sheets	199,800	290,902
Supplemental cash flow information
Interest paid	3,046	3,052
Non-cash investing and financing activities
Transfer of evaluation or rental units from inventory to property and equipment, net	13	(123)
Property and equipment included in accounts payable and accrued expenses	$ 25	$ 7,837