Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 166,828	$ 145,924
Marketable investments	100,823	171,390
Accounts receivable, net of allowance for credit losses of $2,985 and $2,497, respectively	52,138	45,562
Inventories, net	71,819	63,628
Other current assets and prepaid expenses	26,156	24,036
Restricted cash	700	700
Total current assets	418,464	451,240
Property and equipment, net	53,016	40,368
Deferred tax assets	577	590
Goodwill	1,339	1,339
Operating lease right-of-use assets	12,059	12,831
Other long-term assets	14,343	14,620
Total assets	499,798	520,988
Current liabilities:
Accounts payable	35,169	33,736
Accrued liabilities	58,660	57,452
Operating lease liabilities	2,722	2,810
Deferred revenue	12,243	11,841
Total current liabilities	108,794	105,839
Deferred revenue, net of current portion	1,643	1,657
Operating lease liabilities, net of current portion	10,652	11,352
Convertible notes, net of unamortized debt issuance costs of $12,114 and $12,666, respectively	417,011	416,459
Other long-term liabilities	711	862
Total liabilities	538,811	536,169
Commitments and Contingencies (Note 13)
Stockholders’ deficit:
Common stock, $0.001 par value; authorized: 50,000,000 shares; issued and outstanding: 19,785,107 and 19,668,603 shares at March 31, 2023 and December 31, 2022, respectively	20	20
Additional paid-in capital	126,504	125,406
Accumulated other comprehensive loss	(8)	(94)
Accumulated deficit	(165,529)	(140,513)
Total stockholders’ deficit	(39,013)	(15,181)
Total liabilities and stockholders’ deficit	$ 499,798	$ 520,988