Number of customers representing more than ten percent of revenue.

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- Definition

Summary of significant accounting policies.

+ References

No definition available.

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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
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-Publisher FASB
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-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
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+ Details

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

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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Balance Type:	debit
Period Type:	instant

- Definition

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.

+ Details

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- Definition

Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2019 USD ($) customer	Dec. 31, 2018 USD ($) customer	Dec. 31, 2017 customer	Jan. 01, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Intangible assets	$ 0	$ 7,279,000
Interest or penalties charged to the underpayment of income taxes	0
Operating lease right-of-use assets	12,064,000
Operating leases, liabilities	$ 13,565,000
Accounting Standards Update (“ASU”) No. 2016-02
Summary Of Significant Accounting Policies [Line Items]
Operating lease right-of-use assets				$ 2,100,000
Operating leases, liabilities				$ 3,300,000
Maximum
Summary Of Significant Accounting Policies [Line Items]
Property and equipment useful lives	5 years
Leasing arrangements terms	1 year
Minimum
Summary Of Significant Accounting Policies [Line Items]
Property and equipment useful lives	2 years
Andexxa Specialty Distributor \| Customer Concentration Risk \| Net revenues
Summary Of Significant Accounting Policies [Line Items]
Number of customers representing more than 10% of revenue \| customer	4	3
Andexxa Specialty Distributor \| Customer Concentration Risk \| Net revenues \| Minimum
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	10.00%	10.00%
Andexxa Specialty Distributor \| Customer Concentration Risk \| Trade and other receivables
Summary Of Significant Accounting Policies [Line Items]
Number of customers representing more than 10% of revenue \| customer	4	3
Andexxa Specialty Distributor \| Customer Concentration Risk \| Trade and other receivables \| Minimum
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	10.00%	10.00%
Collaboration Revenue Customers \| Customer Concentration Risk \| Net revenues
Summary Of Significant Accounting Policies [Line Items]
Number of customers representing more than 10% of revenue \| customer	0	2	4
Collaboration Revenue Customers \| Customer Concentration Risk \| Net revenues \| Minimum
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	10.00%	10.00%	10.00%
Collaboration Revenue Customers \| Customer Concentration Risk \| Unbilled - collaboration and license revenue
Summary Of Significant Accounting Policies [Line Items]
Number of customers representing more than 10% of revenue \| customer	2	2
Collaboration Revenue Customers \| Customer Concentration Risk \| Unbilled - collaboration and license revenue \| Minimum
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	10.00%	10.00%