CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 44,741	$ 126,190
Short-term investments	7,931	26,604
Accounts receivable, net	99,078	69,515
Inventories	35,828	38,819
Prepaid expenses and other current assets	38,519	25,003
Total current assets	226,097	286,131
Property and equipment, net	35,145	27,012
Goodwill	239,880	197,781
Intangibles, net	33,121	4,097
Other long-term assets	31,218	9,936
Total assets	565,461	524,957
Current liabilities:
Other debts and capital lease obligations, current	6,825	0
Accounts payable	31,407	19,364
Income taxes payable	545	307
Deferred revenue	54,319	33,856
Accrued liabilities	50,369	31,354
Total current liabilities	143,465	84,881
Convertible notes, long-term	101,964	98,295
Other debts and capital lease obligations, long-term	15,949
Income taxes payable, long-term	2,863	3,886
Deferred tax liabilities, long-term	2,163	0
Other non-current liabilities	17,604	9,727
Total liabilities	284,008	196,789
Commitments and contingencies (Note 18)
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; 78,311 and 76,015 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively	78	76
Additional paid-in capital	2,249,857	2,236,418
Accumulated deficit	(1,965,779)	(1,903,908)
Accumulated other comprehensive loss	(2,703)	(4,418)
Total stockholders’ equity	281,453	328,168
Total liabilities and stockholders’ equity	$ 565,461	$ 524,957