Number of Collaboration Agreements

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- Definition

Research and Development Arrangement Term

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- Definition

Research and Development Expense, Additional Expense for Option Periods

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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No definition available.

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- Definition

Term of the lessor's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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Commitments and Contingencies - Narrative (Details) $ in Thousands				12 Months Ended
	May. 21, 2014 USD ($)	Feb. 17, 2012	Apr. 06, 2005	Dec. 31, 2015 USD ($) agreement	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Lease agreement term (years)			8 years
Additional lease term (years)				5 years
Rental expense				$ 1,600	$ 1,600	$ 1,500
Performance payments for years one through three				$ 9,968	$ 8,342	$ 3,638
Number of collaboration agreements \| agreement				2
UCLA
Performance payments for years one through three	$ 500
Optional performance payments for years four and five	$ 500
Minimum
Research agreement term (years)	3 years
Maximum
Research agreement term (years)	5 years
Amended Lease
Lease agreement term (years)		10 years