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CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 162,244 $ 215,262
Marketable securities 127,212 296,747
Accounts receivable 1,026 2,600
Prepaids and other current assets 8,096 10,898
Deferred taxes 2,798 2,420
Total current assets 301,376 527,927
Intangible assets, net 181,955 40,986
Goodwill 115,148 18,154
Property, plant and equipment, net 81,105 67,770
Deferred taxes, long term 7,531 2,974
Other assets 6,539 5,361
Total assets 693,654 663,172
Current liabilities:    
Accounts payable 16,567 5,952
Accrued salaries and benefits 31,763 31,634
Accrued litigation expenses 10,502 4,060
Other accrued liabilities 6,479 14,165
Total current liabilities 65,311 55,811
Convertible notes, long-term 133,493 121,500
Long-term imputed financing obligation 43,793 27,899
Long-term income taxes payable 9,946 4,577
Other long-term liabilities 11,317 5,102
Total liabilities 263,860 214,889
Commitments and contingencies (Notes 8 and 16)      
Contingently redeemable common stock:    
Issued and outstanding: no shares at December 31, 2011 and 4,788,125 shares at December 31, 2010   113,500
Stockholders' equity:    
Convertible preferred stock, $.001 par value: Authorized: 5,000,000 shares; Issued and outstanding: no shares at December 31, 2011 and December 31, 2010      
Common Stock, $.001 par value: Authorized: 500,000,000 shares; Issued and outstanding: 110,267,145 shares at December 31, 2011 and 102,676,544 shares at December 31, 2010 110 103
Additional paid in capital 1,049,716 911,632
Accumulated deficit (619,643) (576,590)
Accumulated other comprehensive loss (389) (362)
Total stockholders' equity 429,794 334,783
Total liabilities, contingently redeemable common stock and stockholders' equity $ 693,654 $ 663,172