| Quarterly Financial Information (Unaudited) |
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December 31 |
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September 30 |
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June 30 |
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March 31 |
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| 2012 |
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$ |
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$ |
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$ |
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$ |
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Collaboration revenue
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9,780 |
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6,570 |
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2,429 |
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1,316 |
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Research and development
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15,645 |
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12,895 |
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6,326 |
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5,082 |
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General and administrative
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2,042 |
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1,965 |
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2,047 |
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1,737 |
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Restructuring gain
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(1,657 |
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— |
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— |
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— |
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Total expenses
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16,030 |
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14,860 |
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8,373 |
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6,819 |
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Other income (expense)
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2,147 |
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2,370 |
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1,729 |
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(1,357 |
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Net loss attributable to common shareholders
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(4,103 |
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(5,920 |
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(4,215 |
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(6,860 |
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Basic and diluted net loss per share
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(0.28 |
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(0.40 |
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(0.29 |
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(0.67 |
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| 2011 |
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Collaboration revenue
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1,236 |
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1,174 |
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1,887 |
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1,199 |
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Research and development
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7,477 |
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3,814 |
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5,409 |
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4,853 |
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General and administrative
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1,731 |
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1,457 |
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1,471 |
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1,571 |
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Restructuring expense
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— |
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— |
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— |
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— |
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Total expenses
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9,208 |
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5,271 |
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6,880 |
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6,424 |
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Other income (expense)
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(1,596 |
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8,567 |
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(1,537 |
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2,180 |
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Net income (loss) attributable to common shareholders
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(9,568 |
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4,470 |
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(6,530 |
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(3,045 |
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Basic net income (loss) per share
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(0.98 |
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0.46 |
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(0.67 |
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(0.31 |
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Diluted net income (loss) per share
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(0.98 |
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0.45 |
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(0.67 |
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(0.31 |
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