UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 173,619	$ 236,680
Short-term investments (amortized cost of $19,992 and $19,967)	19,992	19,990
Accounts receivable (net of allowance for credit losses of $509 and $609)	56,431	127,317
Inventories	69,038	68,624
Prepaid expenses and other current assets	10,317	16,958
Total current assets	329,397	469,569
Property and equipment, net	16,832	21,352
Operating lease right-of-use assets, net	25,031	31,300
Intangibles, net	238	1,306
Goodwill	11,038	11,038
Restricted cash	4,147	4,139
Other non-current assets	2,216	4,008
Total assets	388,899	542,712
Current liabilities:
Accounts payable	74,727	111,650
Deferred revenue	30,567	50,362
Accrued liabilities	106,027	127,400
Income tax payable	431	4,489
Total current liabilities	211,752	293,901
Non-current deferred revenue	7,963	15,736
Non-current operating lease liabilities	26,024	29,001
Non-current income taxes payable	92	92
Other non-current liabilities	1,261	606
Total liabilities	247,092	339,336
Commitments and contingencies (Note 10)
Stockholders’ Equity:
Preferred stock: $0.001 par value; 50,000,000 shares authorized; none issued or outstanding	0	0
Common stock: $0.001 par value; 500,000,000 shares authorized; shares issued and outstanding: 79,026,508 at September 27, 2020 and 75,785,952 at December 31, 2019	79	76
Additional paid-in capital	359,297	334,821
Accumulated other comprehensive income	(9)	(2)
Accumulated deficit	(217,560)	(131,519)
Total stockholders’ equity	141,807	203,376
Total liabilities and stockholders’ equity	$ 388,899	$ 542,712