Share Based Payments - Additional Information (Detail) - USD ($)		3 Months Ended
Apr. 02, 2012	May. 31, 2015	May. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from Stock Options Exercised		$ 100,000	$ 200,000
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options		$ 200,000	$ 0.00
Stock options granted, term		10 years
Stock options vesting period		3 years
Annual percentage over three years		33.33%
Stock options weighted average grant date fair value		$ 1.05	$ 1.84
Shares available for future grants		900,000
Restricted stock awards requisite service period		3 years
Grant date fair value of shares vested		$ 1,000,000	$ 3,600,000
Compensation expenses		2,104,000	$ 948,000
Unrecognized compensation cost		$ 3,200,000
Compensation cost of weighted average period		2 years
2012 Retention Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards requisite service period	2 years
Preferred stock contributed by company	400,000
Compensation expenses		$ 400,000
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-Free Interest Rate:		1.30%	1.20%
Vesting dates of outstanding options		2015-07
Expiration dates of options		2016-03
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-Free Interest Rate:		1.40%	1.30%
Vesting dates of outstanding options		2018-03
Expiration dates of options		2025-09

Preferred Stock Contribution

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period Annual Percentage

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Award Vesting Date Month And Year

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award Options Expiration Year Month

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- Definition

Share based compensation share based payment award option grant period maximum.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Topic 718

-SubTopic 10

-Section 50

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- 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.

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- Definition

Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ 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 (j)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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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.

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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

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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