CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 100,777	$ 98,645
Accounts receivable, net	85,704	66,227
Inventories	35,539	35,031
Prepaid expenses and other current assets	38,647	38,132
Total current assets	260,667	238,035
Property and equipment, net	43,136	43,141
Operating lease right-of-use assets	25,751	27,556
Other non-current assets	38,308	39,117
Goodwill	241,847	243,674
Total assets	609,709	591,523
Current liabilities:
Convertible debt, current	36,143	0
Other debts, current	5,405	11,771
Accounts payable	36,148	23,543
Deferred revenue	63,851	54,294
Operating lease liabilities, current	7,032	7,354
Other current liabilities	43,986	50,333
Total current liabilities	192,565	147,295
Convertible debt, non-current	94,884	129,507
Other debts, non-current	15,415	10,086
Operating lease liabilities, non-current	24,548	26,071
Other non-current liabilities	20,963	20,262
Total liabilities	348,375	333,221
Commitments and contingencies (Note 10)
Convertible debt (Note 6)	1,564	0
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value, 150,000 shares authorized; 100,993 and 98,204 shares issued and outstanding at April 2, 2021 and December 31, 2020, respectively	101	98
Additional paid-in capital	2,365,129	2,353,559
Accumulated deficit	(2,107,335)	(2,101,211)
Accumulated other comprehensive income	1,875	5,856
Total stockholders’ equity	259,770	258,302
Total liabilities and stockholders’ equity	$ 609,709	$ 591,523