Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 261,152	$ 684,717
Short-term marketable securities	256,006	0
Accounts receivable, net	29,765	28,800
Inventories	65,816	58,202
Prepaid expenses and other current assets	27,272	30,251
Total current assets	640,011	801,970
Long-term marketable securities	146,863	50,057
Property and equipment, net	32,425	34,918
Operating lease right-of-use assets	46,497	48,015
Restricted cash	2,432	2,436
Other assets, noncurrent	2,214	1,812
Total assets	870,442	939,208
Current liabilities:
Accounts payable	8,260	15,097
Accrued liabilities	53,266	39,297
Accrued compensation	25,187	27,712
Other liabilities, current	6,379	5,892
Total current liabilities	93,092	87,998
Long-term debt, net	247,130	246,352
Convertible debt, net	334,815	334,089
Operating lease liabilities, noncurrent	70,322	73,506
Other liabilities, noncurrent	6,723	853
Total liabilities	752,082	742,798
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value, 5,000,000 shares authorized as of June 30, 2022 (unaudited) and December 31, 2021; no shares issued and outstanding	0	0
Common stock, $0.001 par value, 150,000,000 shares authorized as of June 30, 2022 (unaudited) and December 31, 2021, respectively; 67,257,761 and 64,636,641 shares issued and outstanding as of June 30, 2022 (unaudited) and December 31, 2021, respectively	67	65
Additional paid-in capital	1,575,719	1,485,805
Accumulated other comprehensive income	(3,973)	100
Accumulated deficit	(1,453,453)	(1,289,560)
Total stockholders' equity	118,360	196,410
Total liabilities and stockholders' equity	$ 870,442	$ 939,208