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Fair Value Measurements (Tables) | 6 Months Ended
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Jun. 30, 2017
Fair Value Measurements |
Schedule of financial assets and liabilities subject to fair value measurements |
|  | As of June 30, 2017 |  | Level 1 |  | Level 2 |  | Level 3 |
|  | (In thousands) |
Assets: |  |  |  |  |  |  |  |  |
Money market funds and cash equivalents |  | $ | 44,622 |  | $ | — |  | $ | 44,622 |  | $ | — |
Marketable securities |  | 87,822 |  | — |  | 87,822 |  | — |
|  | $ | 132,444 |  | $ | — |  | $ | 132,444 |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |
Kolltan acquisition contingent consideration |  | $ | 48,600 |  | $ | — |  | $ | — |  | $ | 48,600 |
|  | $ | 48,600 |  | $ | — |  | $ | — |  | $ | 48,600 |
|  | As of December 31, 2016 |  | Level 1 |  | Level 2 |  | Level 3 |
|  | (In thousands) |
Assets: |  |  |  |  |  |  |  |  |
Money market funds and cash equivalents |  | $ | 20,445 |  | $ | — |  | $ | 20,445 |  | $ | — |
Marketable securities |  | 147,315 |  | — |  | 147,315 |  | — |
|  | $ | 167,760 |  | $ | — |  | $ | 167,760 |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |
Kolltan acquisition contingent consideration |  | $ | 44,200 |  | $ | — |  | $ | — |  | $ | 44,200 |
|  | $ | 44,200 |  | $ | — |  | $ | — |  | $ | 44,200 |
Schedule of the activity for the Company's contingent consideration liabilities measured at fair value using Level 3 inputs |
|  | Other Long-Term Liabilities: Contingent Consideration |
Balance at December 31, 2016 |  | $ | 44,200 |
Fair value adjustments included in operating expenses |  | 4,400 |
Balance at June 30, 2017 |  | $ | 48,600 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of contingent payment arrangements including the terms that will result in payment and the accounting treatment that will be followed if such contingencies occur, including the potential impact on earnings per share if contingencies are to be settled in common stock of the entity. The description also may include the period over which amounts are expected to be paid, and changes in the amount since the previous reporting period. This also includes contingent options and commitments. + References No definition available. + Details
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