CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 29, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 69,916	$ 65,989
Accounts receivable, net	58,930	81,795
Inventories	29,325	25,638
Prepaid expenses and other current assets	22,900	23,280
Total current assets	181,071	196,702
Property and equipment, net	20,976	22,321
Operating lease right-of-use assets	21,616
Goodwill	239,848	240,618
Intangibles, net	10,704	12,817
Other long-term assets	39,962	38,377
Total assets	514,177	510,835
Current liabilities:
Other debts and finance lease obligations, current	7,124	7,175
Accounts payable	25,436	33,778
Income taxes payable	884	1,099
Deferred revenue	47,422	41,592
Accrued and other current liabilities	53,238	52,761
Total current liabilities	134,104	136,405
Convertible notes, long-term	116,413	114,808
Other debts and finance lease obligations, long-term	12,402	12,684
Income taxes payable, long-term	466	460
Other non-current liabilities	30,231	18,228
Total liabilities	293,616	282,585
Commitments and contingencies (Note 17)
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; 88,784 and 87,057 shares issued and outstanding at March 29, 2019 and December 31, 2018, respectively	89	87
Additional paid-in capital	2,300,259	2,296,795
Accumulated deficit	(2,077,322)	(2,067,416)
Accumulated other comprehensive loss	(2,465)	(1,216)
Total stockholders’ equity	220,561	228,250
Total liabilities and stockholders’ equity	$ 514,177	$ 510,835