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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010
Revenue: |  |  |  |  |  |  |  |
Royalties | $ 60,970 |  | $ 38,192 |  | $ 120,205 |  | $ 198,734 |
Contract revenue | 5,244 |  | 670 |  | 8,536 |  | 1,992 |
Total revenue | 66,214 |  | 38,862 |  | 128,741 |  | 200,726 |
Operating costs and expenses: |  |  |  |  |  |  |  |
Cost of revenue | 6,058 | [1] | 1,804 | [1] | 9,207 | [1] | 3,658 | [1]
Research and development | 24,220 | [2] | 22,985 | [2] | 47,537 | [2] | 44,676 | [2]
Marketing, general and administrative | 37,732 | [3] | 29,408 | [3] | 70,464 | [3] | 60,935 | [3]
Costs of restatement and related legal activities | 712 |  | 1,638 |  | 1,871 |  | 2,164 |
Gain from settlement |  |  | (10,300) |  | (6,200) |  | (106,200) |
Total operating costs and expenses | 68,722 |  | 45,535 |  | 122,879 |  | 5,233 |
Operating income (loss) | (2,508) |  | (6,673) |  | 5,862 |  | 195,493 |
Interest income and other income (expense), net | (777) |  | 316 |  | (1,429) |  | 741 |
Interest expense on convertible notes | (5,212) |  | (3,740) |  | (10,384) |  | (9,756) |
Interest and other income (expense), net | (5,989) |  | (3,424) |  | (11,813) |  | (9,015) |
Income (loss) before income taxes | (8,497) |  | (10,097) |  | (5,951) |  | 186,478 |
Provision for income taxes | 2,088 |  | 2,393 |  | 8,864 |  | 48,069 |
Net income (loss) | $ (10,585) |  | $ (12,490) |  | $ (14,815) |  | $ 138,409 |
Net income (loss) per share: |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ (0.10) |  | $ (0.11) |  | $ (0.14) |  | $ 1.22 |
Diluted (in dollars per share) | $ (0.10) |  | $ (0.11) |  | $ (0.14) |  | $ 1.18 |
Weighted average shares used in per share calculation: |  |  |  |  |  |  |  |
Basic (in shares) | 109,992 |  | 113,321 |  | 108,809 |  | 113,227 |
Diluted (in shares) | 109,992 |  | 113,321 |  | 108,809 |  | 117,434 |
[1] | Cost of revenue includes stock-based compensation of $286 and $29 for three months ended June 30, 2011 and 2010 and $409 and $129 for six months ended June 30, 2011 and 2010 respectively.
[2] | Research and development includes stock-based compensation of $2,490 and $2,703 for three months ended June 30, 2011 and 2010 and $5,002 and $5,272 for six months ended June 30, 2011 and 2010 respectively.
[3] | Marketing, general and administrative includes stock-based compensation of $4,253 and $5,199 for three months ended June 30, 2011 and 2010 and $8,908 and $10,364 for six months ended June 30, 2011 and 2010 respectively.

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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 07-4 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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