Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 396,465	$ 181,584
Accounts receivable (less allowance for credit losses of $419 and $370 as of December 31, 2021 and December 31, 2020, respectively; including $200 and $172 due from related parties as of December 31, 2021 and December 31, 2020, respectively)	23,786	17,184
Inventory	22,190	14,856
Prepaid expenses and other current assets	6,514	5,981
Total current assets	448,955	219,605
Restricted cash	2,577	1,000
Property and equipment, net	17,960	13,912
Intangible assets, net	10,534	13,716
Goodwill	9,632	10,460
Right-of-use assets	11,491	11,995
Other non-current assets	378	357
Total assets	501,527	271,045
Current liabilities:
Accounts payable (including $42 and $14 to related parties as of December 31, 2021 and December 31, 2020, respectively)	9,209	6,799
Accrued compensation and benefits	13,252	10,777
Other accrued expenses (including $0 and $1,377 to related parties as of December 31, 2021 and December 31, 2020, respectively)	6,486	4,845
Deferred revenue (including $54 and $90 with related parties as of December 31, 2021 and December 31, 2020, respectively)	6,361	5,421
Current portion of long term debt		7,673
Short term lease liabilities	1,428	1,234
Other current liabilities	241	3,054
Total current liabilities	36,977	39,803
Deferred revenue, net of current portion	1,099	577
Long term lease liabilities	20,464	21,891
Deferred tax liabilities	2,035	2,649
Total liabilities	60,575	64,920
Stockholders' equity:
Common stock, $0.001 par value: Authorized-120,000,000 shares as of December 31, 2021 and December 31, 2020; issued and outstanding - 36,768,035 and 31,796,544 shares as of December 31, 2021 and December 31, 2020, respectively	37	32
Additional paid-in capital	745,936	451,433
Accumulated other comprehensive income	441	2,434
Accumulated deficit	(305,462)	(247,774)
Total stockholders' equity	440,952	206,125
Total liabilities and stockholders' equity	$ 501,527	$ 271,045