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Note 6 - Property and Equipment (Details) (USD $)	12 Months Ended
Note 6 - Property and Equipment (Details) (USD $)	May 26, 2013	May 27, 2012	May 29, 2011
Note 6 - Property and Equipment (Details) [Line Items]
Depreciation, Depletion and Amortization	$ 7,295,000	$ 5,621,000	$ 5,313,000
Capital Leases, Balance Sheet, Assets by Major Class, Net		158,000
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation		0
Capitalized Computer Software, Amortization	160,000	136,000	136,000
Capitalized Computer Software, Net	343,000	468,000
Property, Plant and Equipment [Member]
Note 6 - Property and Equipment (Details) [Line Items]
Depreciation, Depletion and Amortization	$ 6,300,000	$ 5,300,000	$ 5,000,000

For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.