Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 263,772	$ 346,460
Short-term investments	7,744	6,858
Accounts receivable, net of allowance for doubtful accounts of $399 and $1,081 as of December 31, 2021 and 2020, respectively	261,158	337,052
Inventories	315,667	172,112
Prepaid expenses and other current assets	34,752	30,696
Total current assets	883,093	893,178
Property and equipment, net	13,335	16,080
Operating lease right-of-use assets	23,176	29,411
Intangibles, net	1,856	3,899
Goodwill	80,721	80,721
Other non-current assets	76,350	82,750
Total assets	1,078,531	1,106,039
Current liabilities:
Accounts payable	73,729	90,902
Accrued employee compensation	24,704	35,020
Other accrued liabilities	224,584	218,375
Deferred revenue	16,500	13,458
Income taxes payable	1,528	7,318
Total current liabilities	341,045	365,073
Non-current income taxes payable	18,990	19,174
Non-current operating lease liabilities	18,569	25,512
Other non-current liabilities	3,112	6,896
Total liabilities	381,716	416,655
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock: $0.001 par value; 5,000,000 shares authorized; none issued or outstanding	0	0
Common stock: $0.001 par value; 200,000,000 shares authorized; shares issued and outstanding: 29,285,772 and 30,399,206 as of December 31, 2021 and 2020, respectively	29	30
Additional paid-in capital	923,228	882,709
Accumulated other comprehensive income (loss)	149	(35)
Accumulated deficit	(226,591)	(193,320)
Total stockholders’ equity	696,815	689,384
Total liabilities and stockholders’ equity	$ 1,078,531	$ 1,106,039