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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Current assets:    
Cash and cash equivalents $ 155,276 $ 148,984
Marketable securities 50,364 54,346
Accounts receivable 1,003 529
Prepaids and other current assets 8,694 10,529
Deferred taxes 788 788
Total current assets 216,125 215,176
Intangible assets, net 139,395 153,173
Goodwill 124,969 124,969
Property, plant and equipment, net 75,831 86,905
Deferred taxes, long-term 4,806 4,458
Other assets 1,718 3,131
Total assets 562,844 587,812
Current liabilities:    
Accounts payable 5,300 7,918
Accrued salaries and benefits 29,582 23,992
Accrued litigation expenses 1,673 9,822
Convertible notes, short-term 155,473 0
Other accrued liabilities 5,957 12,402
Total current liabilities 197,985 54,134
Convertible notes, long-term 0 147,556
Long-term imputed financing obligation 39,724 45,919
Long-term income taxes payable 6,483 6,533
Other long-term liabilities 4,117 12,076
Total liabilities 248,309 266,218
Commitments and contingencies (Notes 9 and 14)      
Stockholders’ equity:    
Convertible preferred stock, $.001 par value: Authorized: 5,000,000 shares Issued and outstanding: no shares at June 30, 2013 and December 31, 2012 0 0
Common stock, $.001 par value: Authorized: 500,000,000 shares Issued and outstanding: 112,460,439 shares at June 30, 2013 and 111,525,021 shares at December 31, 2012 112 112
Additional paid-in capital 1,086,944 1,075,761
Accumulated deficit (772,225) (753,979)
Accumulated other comprehensive loss (296) (300)
Total stockholders’ equity 314,535 321,594
Total liabilities and stockholders’ equity $ 562,844 $ 587,812