Stockholders' Deficit - Schedule of Shares Authorized and Available for Grant (Detail)	12 Months Ended
Feb. 29, 2016 shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Granted [Roll Forward]
Shares Available for Grant, Beginning balance	5,768,991
Shares Available for Grant, Authorized	2,379,645
Shares Available for Grant, Granted	(2,465,037)
Shares Available for Grant, Canceled/forfeited	677,078
Shares Available for Grant, Ending balance	6,360,677

Number of additional shares authorized for issuance under an established share-based compensation plan.

No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Other than shares newly issued, the number of additional shares issued (for example, a stock split) or canceled (for example, to correct a share issuance), during the period under the plan.

+ References

+ Details

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

+ References

+ Details

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