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Collaboration and Other Agreements, Takeda (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
May. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014
Collaboration and Other Agreements [Line Items] |  |  |
Deferred revenue included in current liabilities |  | $ 5,866 | $ 14,248
Deferred revenue included in long-term liabilities |  | $ 12,631 | 16,472
Takeda [Member] |  |  |
Collaboration and Other Agreements [Line Items] |  |  |
Nonrefundable upfront payment | $ 15,000 |  |
Takeda [Member] | Research Collaboration and License Option Agreement [Member] |  |  |
Collaboration and Other Agreements [Line Items] |  |  |
Collaboration agreement date |  | September 2014 |
Recognized revenue under agreement |  | $ 1,300 | 5,000
Amount allocated to agreement |  | $ 5,000 |
Takeda [Member] | Takeda MGD010 Agreement [Member] |  |  |
Collaboration and Other Agreements [Line Items] |  |  |
Collaboration agreement date |  | May 2014 |
Recognized revenue under agreement |  | $ 8,000 | 3,000
Milestone received |  | 3,000 |
Deferred revenue |  | 2,100 | 7,100
License option fee |  | 15,000 |
Amount allocated to agreement |  | $ 10,000 |
Deferred revenue included in current liabilities |  |  | 5,000
Expected period of development |  | 24 months |
Deferred revenue included in long-term liabilities |  | $ 2,100 | $ 2,100
Takeda [Member] | Takeda MGD010 Agreement [Member] | Maximum [Member] |  |  |
Collaboration and Other Agreements [Line Items] |  |  |
Potential Clinical And Regulatory Milestone Payments Under Agreement |  | 93,000 |
Potential Sales Milestone Payments Under Agreement |  | $ 375,500 |

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- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.A.4(a).Q1 Response) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section A + Details
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