CONSOLIDATED BALANCE SHEET - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 288,863	$ 380,543
Short-term investments	22,918	64,866
Accounts receivable, net	55,222	31,105
Inventories	13,466	13,016
Deferred tax asset, current portion	0	34,645
Prepaid expenses and other current assets	33,147	24,983
Total current assets	413,616	549,158
Long-term investments	29,005	29,928
Property and equipment, net	281,779	241,742
Intangible assets, net	62,323	87,950
Goodwill	408,975	408,975
Deferred tax asset, net of current portion	1,710	549
Other assets	11,176	13,976
Total assets	1,208,584	1,332,278
Current liabilities:
Accounts payable	35,329	30,086
Accrued liabilities	149,134	135,485
Deferred revenue	27,329	31,415
Total current liabilities	211,792	196,986
Convertible senior notes, net	267,618	255,218
Deferred tax liability	12,447	48,090
Other liabilities	110,665	74,178
Total liabilities	$ 602,522	$ 574,472
Commitments and contingencies (Note 7)
Stockholders’ equity:
Common stock, $0.0001 par value; 100,000 shares authorized; 34,777 and 37,906 shares issued and outstanding on December 31, 2015 and December 31, 2014, respectively	$ 4	$ 4
Additional paid-in capital	900,218	838,313
Accumulated other comprehensive loss	(68)	(53)
Accumulated deficit	(294,092)	(80,458)
Total stockholders' equity	606,062	757,806
Total liabilities and stockholders' equity	$ 1,208,584	$ 1,332,278