Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 187,286	$ 191,608
Marketable securities	1,697,523	1,233,076
Accounts receivable, net	14,418	13,448
Other Assets, Current	31,280	41,905
Total current assets	1,930,507	1,480,037
Property and equipment, net	304,360	319,028
Goodwill	52,527	52,527
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	260,892	266,954
Other long-term assets	22,378	15,918
Total long-term assets	640,157	654,427
Total assets	2,570,664	2,134,464
Current liabilities:
Accounts payable and accrued liabilities	166,558	190,278
Deferred revenues	653,773	621,307
Convertible Debentures, including contingent interest derivative	624,767	620,620
Deferred Tax Liabilities, Net, Current	500,433	477,781
Total current liabilities	1,945,531	1,909,986
Long-term deferred revenues	277,828	269,047
Senior Notes	1,234,368	740,175
Other long-term liabilities	107,253	98,722
Total long-term liabilities	1,619,449	1,107,944
Total liabilities	$ 3,564,980	$ 3,017,930
Commitments and contingencies
Stockholders' deficit:
Preferred stock-par value $.001 per share; Authorized shares: 5,000; Issued and outstanding shares: none	$ 0	$ 0
Common stock-par value $.001 per share; Authorized shares: 1,000,000; Issued shares: 322,781 at June 30, 2015 and 321,699 at December 31, 2014; Outstanding shares: 114,028 at June 30, 2015 and 118,452 at December 31, 2014	323	322
Additional paid-in capital	17,828,075	18,120,045
Accumulated deficit	(18,819,586)	(19,000,835)
Accumulated other comprehensive loss	(3,128)	(2,998)
Total stockholders' deficit	(994,316)	(883,466)
Total liabilities and stockholders' deficit	$ 2,570,664	$ 2,134,464

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.