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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Revenue: |  |  |  |  |  |  |  |
Royalties | $ 71,013 |  | $ 57,361 |  | $ 194,244 |  | $ 175,127 |
Contract and other revenue | 2,281 |  | 169 |  | 3,835 |  | 1,481 |
Total revenue | 73,294 |  | 57,530 |  | 198,079 |  | 176,608 |
Operating costs and expenses: |  |  |  |  |  |  |  |
Cost of revenue | 8,958 | [1] | 7,529 | [1] | 22,857 | [1] | 22,032 | [1]
Research and development | 27,553 | [1] | 30,674 | [1] | 91,178 | [1] | 107,415 | [1]
Marketing, general and administrative | 18,698 | [1] | 24,255 | [1] | 57,937 | [1] | 91,283 | [1]
Gain from sale of intellectual property | 0 |  | 0 |  | (1,388) |  | 0 |
Costs of restatement and related legal activities | 0 |  | 79 |  | 19 |  | 192 |
Restructuring charges | 1,129 |  | 6,622 |  | 3,335 |  | 6,622 |
Impairment of Goodwill and Long Lived Assets | 8,070 |  | 35,471 |  | 8,070 |  | 35,471 |
Gain from settlement | (179) |  | 0 |  | (179) |  | 0 |
Total operating costs and expenses | 64,229 |  | 104,630 |  | 181,829 |  | 263,015 |
Operating income (loss) | 9,065 |  | (47,100) |  | 16,250 |  | (86,407) |
Interest income and other income (expense), net | 66 |  | (12) |  | (1,373) |  | 175 |
Interest expense | (8,552) |  | (7,121) |  | (23,290) |  | (20,420) |
Interest and other income (expense), net | (8,486) |  | (7,133) |  | (24,663) |  | (20,245) |
Income (loss) before income taxes | 579 |  | (54,233) |  | (8,413) |  | (106,652) |
Provision for income taxes | 6,304 |  | 3,865 |  | 15,558 |  | 11,552 |
Net loss | $ (5,725) |  | $ (58,098) |  | $ (23,971) |  | $ (118,204) |
Net loss per share: |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ (0.05) |  | $ (0.52) |  | $ (0.21) |  | $ (1.07) |
Diluted (in dollars per share) | $ (0.05) |  | $ (0.52) |  | $ (0.21) |  | $ (1.07) |
Weighted average shares used in per share calculation: |  |  |  |  |  |  |  |
Basic (in shares) | 112,640 |  | 110,826 |  | 112,144 |  | 110,580 |
Diluted (in shares) | 112,640 |  | 110,826 |  | 112,144 |  | 110,580 |
[1] | Includes stock-based compensation

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