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Note 5 - Income Taxes (Details) (USD $)	3 Months Ended
	Aug. 31, 2014	Aug. 25, 2013	May 25, 2014
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 1,301,000	$ 2,475,000
Effective Income Tax Rate Reconciliation, Percent	36.00%	34.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Unrecognized Tax Benefits	1,000,000		1,100,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 850,000		$ 817,000

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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