Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 143,612	$ 145,924
Marketable investments	0	171,390
Accounts receivable, net of allowance for credit losses of $9,878 and $2,497, respectively	43,121	45,562
Inventories	62,600	63,628
Other current assets and prepaid expenses	19,852	24,036
Restricted cash	0	700
Total current assets	269,185	451,240
Long-term inventories	16,283	0
Property and equipment, net	37,275	40,368
Deferred tax assets	579	590
Operating lease right-of-use assets	10,055	12,831
Goodwill	1,339	1,339
Other long-term assets	11,575	14,620
Total assets	346,291	520,988
Current liabilities:
Accounts payable	19,829	33,736
Accrued liabilities	55,055	57,452
Operating lease liabilities	2,441	2,810
Deferred revenue	10,422	11,841
Total current liabilities	87,747	105,839
Deferred revenue, net of current portion	1,494	1,657
Operating lease liabilities, net of current portion	8,887	11,352
Convertible notes, net of unamortized debt issuance costs of $10,430 and $12,666, respectively	418,695	416,459
Other long-term liabilities	1,298	862
Total liabilities	518,121	536,169
Commitments and contingencies (Note 13).
Stockholders’ deficit:
Common stock, $0.001 par value: Authorized: 50,000,000 shares; Issued and outstanding: 19,960,622 and 19,668,603 shares at December 31, 2023 and 2022, respectively	20	20
Additional paid-in capital	131,496	125,406
Accumulated other comprehensive loss	0	(94)
Accumulated deficit	(303,346)	(140,513)
Total stockholders’ deficit	(171,830)	(15,181)
Total liabilities and stockholders’ deficit	$ 346,291	$ 520,988