Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 120,640	$ 178,096
Short-term marketable securities	14,075	0
Trade accounts receivable	20,255	25,942
Inventory	15,706	14,547
Prepaid expenses and other current assets	10,285	11,985
Total current assets	180,961	230,570
Restricted cash	0	270
Property and equipment, net	27,704	27,992
Operating lease right-of-use assets	24,118	26,060
Other assets	2,101	2,361
Total assets	234,884	287,253
Current liabilities:
Trade accounts payable	7,921	8,198
Accrued expenses and other current liabilities	16,243	12,425
Current portion of notes payable	2,483	0
Deferred revenue	7,733	12,128
Total current liabilities	34,380	32,751
Notes payable	17,327	19,762
Deferred revenue, net of current portion	1,433	2,187
Lease liability, long-term	23,561	24,337
Total liabilities	76,701	79,037
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.00005 par value. Authorized 300,000,000 shares at September 30, 2022 and December 31, 2021; issued and outstanding 68,574,957 and 67,595,535 shares at September 30, 2022 and December 31, 2021, respectively	4	4
Additional paid-in capital	490,544	471,820
Accumulated deficit	(332,347)	(263,608)
Accumulated other comprehensive loss	(18)	0
Total stockholders’ equity	158,183	208,216
Total liabilities and stockholders’ equity	$ 234,884	$ 287,253