Percentage of beneficially owned common stock.

No definition available.

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- Definition

Percentage of common stock shares outstanding owned.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a),(c),(d),(e)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

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- Definition

Amount of cash outflow for fees classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585

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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.2(a),(b),(c),(d))
-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 225
-Section 45
-Paragraph 3
-Subparagraph (k)
-URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849

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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.

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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended	12 Months Ended
	Apr. 30, 2016	Dec. 31, 2016	Dec. 31, 2017
Related Party Transaction [Line Items]
Change in fair value of derivative financial instruments		$ (2,480)	$ (3,443)
Non-employee Stock Options
Related Party Transaction [Line Items]
Change in fair value of derivative financial instruments		(200)	$ (400)
Minimum \| A&B (HK) Company Ltd.
Related Party Transaction [Line Items]
Ownership percentage of common stock shares outstanding			5.00%
Directors
Related Party Transaction [Line Items]
Consulting fees paid		100	$ 16
Montel Media, Inc. \| Minimum
Related Party Transaction [Line Items]
Beneficially owns common stock percentage			5.00%
Montel Media, Inc. \| Consulting Agreement
Related Party Transaction [Line Items]
Consulting fees paid		100	$ 200
Consulting monthly fee	$ 15
Clinvue LLC
Related Party Transaction [Line Items]
Consulting fees paid		$ 0	$ 100
CEO \| Minimum
Related Party Transaction [Line Items]
Ownership percentage of common stock shares outstanding			5.00%
CFO/CEO \| Minimum
Related Party Transaction [Line Items]
Ownership percentage of common stock shares outstanding			5.00%
Director 1 \| Minimum
Related Party Transaction [Line Items]
Ownership percentage of common stock shares outstanding			5.00%
Director 2 \| Minimum
Related Party Transaction [Line Items]
Ownership percentage of common stock shares outstanding			5.00%