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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

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