Deferred payments from collaboration.

No definition available.

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Period Type:	instant

- Definition

Proceeds from option exercise and license fees received.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Recognition period for deferred revenue.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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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.3)
-URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780

Reference 2: 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)
-URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3505-108585

+ Details

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- Details

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- Details

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- Details

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- Details

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Collaboration Arrangements - Additional Information (Detail) - USD ($) $ in Millions		1 Months Ended	3 Months Ended
	Dec. 30, 2016	Jan. 31, 2017	Mar. 31, 2018	Dec. 31, 2016
Sanofi-Aventis Deutschland GmbH \| Put Option
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Payment for insulin put option		$ 30.6
Receptor
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Nonrefundable option exercise and license fee	$ 1.0
Deferred revenue - nonrefundable license fee				$ 1.0
Deferred revenue recognition period			4 years
Deferred payments from collaboration			$ 0.7
Receptor \| Current Liabilities
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Deferred payments from collaboration			$ 0.3