CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 201,261	$ 338,740
Marketable securities	126,449	0
Accounts receivable (net of allowance for expected credit losses of $429 and $118 as of September 30, 2023 and December 31, 2022, respectively)	24,083	19,017
Inventory	19,945	16,786
Prepaid expenses and other current assets	9,273	6,860
Total current assets	381,011	381,403
Restricted cash	2,647	2,597
Property and equipment, net	17,517	20,162
Intangible assets, net	6,003	7,516
Operating lease right-of-use assets	19,860	21,223
Other non-current assets	2,004	1,298
Total assets	429,042	434,199
Current liabilities:
Accounts payable	4,786	3,836
Accrued compensation and benefits	9,775	10,658
Accrued expenses and other current liabilities	6,672	5,133
Deferred revenue	9,827	8,644
Operating lease liabilities	4,093	2,687
Total current liabilities	35,153	30,958
Deferred revenue, net of current portion	1,126	1,415
Operating lease liabilities, net of current portion	38,306	41,417
Other non-current liabilities	1,105	1,469
Total liabilities	75,690	75,259
Commitments and contingencies (Note 13)
Stockholders' equity:
Common stock, $0.001 par value, per share: Authorized shares: 120,000; Issued and outstanding: 37,839 and 37,280 shares at September 30, 2023 and December 31, 2022, respectively	38	37
Additional paid-in capital	778,615	763,688
Accumulated other comprehensive loss	(3,214)	(2,623)
Accumulated deficit	(422,087)	(402,162)
Total stockholders' equity	353,352	358,940
Total liabilities and stockholders' equity	$ 429,042	$ 434,199