Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating activities
Net loss	$ (78,119)	$ (37,662)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	4,186	3,566
Credit loss expense on accounts receivable	102	286
Inventory step-up amortization		275
Non-cash operating lease expense	1,099	364
Stock-based compensation expense	11,779	11,044
Goodwill impairment	8,220
Impairment of long-lived assets	8,695
Other non-cash items	39	65
Changes in operating assets and liabilities:
Accounts receivable	5,045	(1,556)
Inventory	3,919	(8,431)
Prepaid expenses and other assets	(262)	(1,395)
Other non-current assets	(859)	(3)
Accounts payable	(7,085)	(972)
Accrued compensation and benefits, other accrued expenses and other current liabilities	(3,021)	(2,860)
Deferred revenue	3,108	674
Operating lease liabilities	(1,156)	(902)
Other non-current liabilities	128	(108)
Net cash used in operating activities	(44,182)	(37,615)
Investing activities
Purchases of property and equipment	(10,131)	(11,163)
Proceeds from RADx grant on assets purchased	520	7,019
Net cash used in investing activities	(9,611)	(4,144)
Financing activities
Proceeds from stock options exercised	716	6,607
Sale of common stock in underwritten public offering, net		269,718
Proceeds from ESPP purchase	881	1,065
Payments on notes payable		(5,744)
Net cash provided by financing activities	1,597	271,646
Net (decrease) increase in cash, cash equivalents and restricted cash	(52,196)	229,887
Effect of foreign currency exchange rate on cash	(507)	(66)
Cash, cash equivalents and restricted stock at beginning of period	399,042	182,584
Cash, cash equivalents and restricted stock at end of period	346,339	412,405
Supplemental disclosure of cash flow information:
Cash paid for income taxes	263	320
Noncash transactions:
Purchases of property and equipment included in accounts payable	198	$ 306
Right-of-use asset obtained in exchange for lease liabilities	$ 22,239