Number of options and non-options outstanding.

No definition available.

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As of the balance sheet date, the number of shares into which fully vested stock options outstanding can be converted under the option plan.

+ References

No definition available.

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- Definition

The number of shares purchasable with nonstatutory stock options

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Aggregate number of common shares reserved for future issuance.

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Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights.

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-Name Accounting Standards Codification

-Topic 505

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-Section 50

-Paragraph 3

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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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

Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Section 45

-Paragraph 15

-Subparagraph (a)

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.28)

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-Name Regulation S-X (SX)

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-Section 02

-Paragraph 29

-Article 5

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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-Topic 718

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-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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The highest quantity of shares an employee can purchase under the plan per period.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

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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.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(2)

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Number of options outstanding, including both vested and non-vested options.

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-Name Accounting Standards Codification

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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Price of a single share of a number of saleable stocks of a company.

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No definition available.

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Number of non-vested options outstanding.

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For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

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No definition available.

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Number of share options (or share units) exercised during the current period.

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-Paragraph 29, 30

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Note 5 - Stockholders' Equity (Details Textual) - USD ($)	12 Months Ended
	May. 31, 2015	May. 25, 2014	May. 26, 2013	May. 29, 2015	May. 27, 2012	Jul. 14, 2010
Directors Stock Option Plan 1995 [Member] \| Optionee First Becomes Non Employee Director [Member]
Shares Purchasable With Non-statutory Stock Option	20,000
Directors Stock Option Plan 1995 [Member] \| Served on Board of Directors for at Least Six Months [Member]
Shares Purchasable With Non-statutory Stock Option	10,000
Directors Stock Option Plan 1995 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	800,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	10,000
Stock Incentive Plan 2013 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee	500,000
Stock Incentive Plan 2013 [Member] \| Stock Grants and Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee	250,000
Stock Incentive Plan 2013 [Member] \| Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee	500,000
Stock Incentive Plan 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	2,000,000
Stock Incentive Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	1,900,000
Share--based Compensation Arrangement by Share-based Payment Award Options and Non Option Equity Instruments Outstanding Number	865,834
Stock Incentive Plan 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	861,038
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	168,550
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	205,419	398,080	671,563
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,736,718	1,215,860	1,339,892		2,046,432
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	30,000
Treasury Stock, Shares, Acquired	0	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	881,143	2,000,000	422,977		449,643
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	0
Common Stock, Voting Rights	1
Preferred Stock, Shares Authorized	2,000,000
Preferred Stock, Shares Outstanding	0
Common Stock, Capital Shares Reserved for Future Issuance	881,143
Shares Paid for Tax Withholding for Share Based Compensation	112,443	47,573	145,159
Payments Related to Tax Withholding for Share-based Compensation	$ 343,000	$ 1,271,000	$ 49,000
Share-based Compensation Arrangement by Share-based Payment Award, Options Vested, Outstanding Number	849,464	984,610
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares	887,254	231,250
Share Price				$ 14.29
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	663,673
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 1,500,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 7,600,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 219 days
Stock Repurchase Program, Authorized Amount						$ 10,000,000