Number of customers accounted for more than ten percent of revenue.

No definition available.

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- Definition

Number of major customer.

+ References

No definition available.

+ Details

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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 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611

+ Details

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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.

+ 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

Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
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- Details

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- Details

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- Details

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Segments and Geographic Information - Additional Information (Detail) $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2016 USD ($)	Dec. 31, 2017 Segment Customer	Dec. 31, 2016 USD ($) Customer	Dec. 31, 2015 USD ($) Customer
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments \| Segment		2
One time payment, royalty revenues			$ 14,297	$ 3,745
Concentration risk percentage		100.00%	100.00%	100.00%
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Service [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Customers accounted for 10% or more of total revenues \| Customer		1	0	0
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Service [Member] \| Customer One [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage		33.00%
Credit Concentration Risk \| Accounts Receivable [Member] \| Service [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of customers \| Customer		1	2	1
Credit Concentration Risk \| Accounts Receivable [Member] \| Service [Member] \| Customer One [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage		53.00%	18.00%	18.00%
Credit Concentration Risk \| Accounts Receivable [Member] \| Service [Member] \| Customer Two [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage			13.00%
Other Countries [Member] \| Customer Concentration Risk [Member] \| Sales Revenue, Net [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage		65.00%
Allergan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
One time payment, royalty revenues	$ 11,000
Allergan [Member] \| U.S [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
One time payment, royalty revenues	$ 11,000
Merck KGaA [Member] \| Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Product Segment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage		100.00%	100.00%