Business acquisition term of license agreement.

No definition available.

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- Definition

Business combination contingent consideration payment term.

+ References

No definition available.

+ Details

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- Definition

Number of consecutive trading days.

+ References

No definition available.

+ Details

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- Definition

Percentage of upfront consideration release at period four.

+ References

No definition available.

+ Details

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- Definition

Percentage of upfront consideration release at period one.

+ References

No definition available.

+ Details

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- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

+ 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

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e7008-128479

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
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-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
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Balance Type:	credit
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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

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-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

+ Details

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Contingent Consideration - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Jul. 12, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Estimated future contingent consideration		$ 16,390,000		$ 16,390,000		$ 2,750,000
Change in value of contingent consideration for acquired in-process research and development				13,640,000
Spitfire Pharma, Inc. [Member]
Business Acquisition [Line Items]
Agreement date	Jul. 08, 2019
Unregistered shares of common stock	1,887,250
Up-front consideration	$ 5,000,000
Transaction cost recorded within research and development expense			$ 600,000		$ 600,000
Spitfire Pharma, Inc. [Member] \| Investigational New Drug Application Milestone [Member]
Business Acquisition [Line Items]
Future contingent payments	$ 5,000,000
Future contingent payment term	60 days
Number of consecutive trading days	20 days
Condiseration amount	$ 2.95
Spitfire Pharma, Inc. [Member] \| Investigational New Drug Application and Regulatory Milestones [Member]
Business Acquisition [Line Items]
Future contingent payments	$ 3,000,000
Future contingent payment term	60 days
Number of consecutive trading days	20 days
Condiseration amount	$ 3.54
Spitfire Pharma, Inc. [Member] \| Sales Milestones [Member]
Business Acquisition [Line Items]
Future contingent payments	$ 80,000,000
License agreement term	10 years
Spitfire Pharma, Inc. [Member] \| Regulatory Milestones [Member]
Business Acquisition [Line Items]
Upfront consideration release at 3 months	50.00%
Upfront consideration release at 6 months	50.00%
Spitfire Pharma, Inc. [Member] \| Regulatory Milestones [Member] \| Monte Carlo Simulation [Member]
Business Acquisition [Line Items]
Estimated future contingent consideration	$ 2,800,000	16,400,000		16,400,000
Change in value of contingent consideration for acquired in-process research and development		$ 11,900,000		$ 13,600,000
Spitfire Pharma, Inc. [Member] \| Maximum [Member] \| Common Stock [Member]
Business Acquisition [Line Items]
Future contingent payments	$ 88,000,000