Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 105,444	$ 143,612
Accounts receivable, net of allowance for credit losses of $12,059 and $9,878, respectively	37,019	43,121
Inventories	73,469	62,600
Other current assets and prepaid expenses	19,294	19,852
Total current assets	235,226	269,185
Long-term inventories	20,582	16,283
Property and equipment, net	31,964	37,275
Deferred tax assets	534	579
Goodwill	1,339	1,339
Operating lease right-of-use assets	12,034	10,055
Other long-term assets	10,313	11,575
Total assets	311,992	346,291
Current liabilities:
Accounts payable	13,316	19,829
Accrued liabilities	47,119	55,055
Operating lease liabilities	3,231	2,441
Deferred revenue	9,038	10,422
Total current liabilities	72,704	87,747
Deferred revenue, net of current portion	1,417	1,494
Operating lease liabilities, net of current portion	10,046	8,887
Convertible notes, net of unamortized debt issuance costs of $9,859 and $10,430, respectively	419,266	418,695
Other long-term liabilities	1,122	1,298
Total liabilities	504,555	518,121
Commitments and contingencies
Stockholders’ deficit:
Common stock, $0.001 par value; authorized: 50,000,000 shares; issued and outstanding: 20,067,941 and 19,960,622 shares at March 31, 2024 and December 31, 2023, respectively	20	20
Additional paid-in capital	133,541	131,496
Accumulated deficit	(326,124)	(303,346)
Total stockholders’ deficit	(192,563)	(171,830)
Total liabilities and stockholders’ deficit	$ 311,992	$ 346,291