Cash Equivalent Maturity Period Highly Liquid Investment

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- Definition

Restricted Cash And Cash Equivalent

+ References

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

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-Topic 275

-SubTopic 10

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- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

+ References

No definition available.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Subparagraph (c)(1)(i)-(ii)

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Organization and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Organization and Summary of Significant Accounting Policies [Line Items]
Liquid investments purchased with original maturities	Three months or less
Restricted cash and cash equivalent	$ 0.3
Intangible assets impairment	0
Goodwill impairment	$ 0
Stock options outstanding	8,405,864	9,184,346	8,346,190
Number of operating segments	1
Shire AG [Member]
Organization and Summary of Significant Accounting Policies [Line Items]
Percentage of revenues	68.00%	51.00%
Sigma-Aldrich Corporation [Member]
Organization and Summary of Significant Accounting Policies [Line Items]
Percentage of revenues	9.00%	11.00%	15.00%
Dow AgroSciences LLC [Member]
Organization and Summary of Significant Accounting Policies [Line Items]
Percentage of revenues	12.00%	22.00%	43.00%
California Institute for Regenerative Medicine [Member]
Organization and Summary of Significant Accounting Policies [Line Items]
Percentage of revenues			18.00%
CHDI Foundation, Inc. [Member]
Organization and Summary of Significant Accounting Policies [Line Items]
Percentage of revenues			11.00%
U.S [Member]
Organization and Summary of Significant Accounting Policies [Line Items]
Percentage of revenues	100.00%	100.00%	100.00%
Minimum [Member]
Organization and Summary of Significant Accounting Policies [Line Items]
Estimated useful lives of related assets	3 years
Maximum [Member]
Organization and Summary of Significant Accounting Policies [Line Items]
Estimated useful lives of related assets	5 years