Non-employee service share-based compensation, nonvested awards, compensation not yet recognized, stock options.

No definition available.

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- Definition

Non employee service share based compensation nonvested awards total compensation cost not yet recognized period for recognition1.

+ References

No definition available.

+ Details

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- Definition

Share based compensation arrangement by share based payment award options outstanding assumed in merger.

+ References

No definition available.

+ Details

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- Definition

Share based compensation arrangements by share based payment award options assumed in merger weighted average exercise price.

+ References

No definition available.

+ Details

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Period Type:	instant

- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of options vested.

+ References

No definition available.

+ Details

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Stock-Based Compensation - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Nov. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance	8,654,182
Share-based compensation arrangement by share-based payment award, options, forfeitures in period	424,170
Share-based compensation arrangement by share-based payment award, options, vested, number of shares	4,509,238
Share Based Compensation Arrangements By Share Based Payment Award Options Assumed In Merger Weighted Average Exercise Price	$ 14.30
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Assumed In Merger	15,000
2013 Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, options, grants in period, gross	7,167,585
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition	1 year 6 months 29 days
Non-employee service share-based compensation, nonvested awards, compensation not yet recognized, stock options	$ 1,316,036
Non employee service share based compensation nonvested awards total compensation cost not yet recognized period for recognition1	$ 3,152,985	$ 779,380
2013 Stock Plan [Member] \| Board of Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance			3,605,445