Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net loss	$ (56,660)	$ (62,418)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	4,936	8,776
Depreciation and amortization	3,238	929
Amortization of contract acquisition costs	4,069	1,219
Amortization of debt issuance costs	1,109	517
Deferred tax assets	43	80
Provision for credit losses	2,514	409
Loss on sale of property and equipment	0	63
Loss on extinguishment of convertible notes	0	34,423
Non-cash interest income	(1,995)	0
Changes in assets and liabilities:
Accounts receivable	(10,031)	(1,108)
Inventories, net	(5,040)	(17,501)
Other current assets and prepaid expenses	(878)	(3,034)
Other long-term assets	(4,782)	(1,071)
Accounts payable	(1,666)	14,771
Accrued liabilities	(3,806)	(6,878)
Operating leases, net	(30)	36
Deferred revenue	649	702
Net cash used in operating activities	(68,330)	(30,085)
Cash flows from investing activities
Acquisition of property and equipment	(25,908)	(8,238)
Proceeds from maturities of marketable investments	155,000	0
Purchase of marketable investments	(23,467)	(203,309)
Net cash provided by (used in) investing activities	105,625	(211,547)
Cash flows from financing activities
Proceeds from exercise of stock options and employee stock purchase plan	858	1,440
Taxes paid related to net share settlement of equity awards	(3,186)	(4,234)
Purchase of capped call	0	(31,671)
Proceeds from issuance of convertible notes	0	240,000
Payment of issuance costs of convertible notes	0	(6,956)
Extinguishment of convertible notes	0	(45,777)
Payments on finance lease obligations	(237)	(284)
Net cash provided by (used in) financing activities	(2,565)	152,518
Net increase (decrease) in cash, cash equivalents and restricted cash	34,730	(89,114)
Cash, cash equivalents, and restricted cash at beginning of period	146,624	164,864
Cash, cash equivalents, and restricted cash at end of period	181,354	75,750
Supplemental non-cash investing and financing activities:
Assets acquired under finance lease	68	437
Assets acquired under operating lease	57	549
Transfer of inventory to property and equipment	0	12,180
Debt issuance costs accrued	0	646
Acquisition of property and equipment	6,301	0
Capped call costs accrued	0	353
Supplemental disclosure of cash flow information:
Cash paid for interest	5,731	1,903
Cash paid for income taxes	$ 483	$ 1,230