CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 179,915	$ 252,244
Accounts receivable, net	12,997	4,845
Inventories	3,726	3,580
Deferred tax asset, current portion	598	3,582
Prepaid expenses and other current assets	13,870	6,934
Total current assets	211,106	271,185
Property and equipment, net	54,123	39,726
Intangible assets, net	95,016	5,672
Goodwill	340,408	11,163
Deferred tax asset, net of current portion	3,785	11,314
Other assets	5,448	4,770
Total assets	709,886	343,830
Current liabilities:
Accounts payable	9,470	22,341
Accrued liabilities	59,271	38,831
Deferred revenue	12,106	9,731
Total current liabilities	80,847	70,903
Deferred tax liability	13,948	0
Other liabilities	6,094	3,320
Total liabilities	100,889	74,223
Commitments and contingencies (Note 5)
Stockholders' equity:
Common stock, $0.0001 par value; 100,000 shares authorized; 34,839 and 27,957 shares issued and outstanding at December 31, 2011 and December 31, 2010, respectively	4	3
Additional paid-in capital	589,067	263,726
Accumulated earnings	19,926	5,878
Total stockholders' equity	608,997	269,607
Total liabilities and stockholders' equity	$ 709,886	$ 343,830