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Note 12 - Related Party (Detail) (USD $)
3 Months Ended 9 Months Ended
Feb. 24, 2013
Feb. 26, 2012
Feb. 24, 2013
Feb. 26, 2012
May 27, 2012
Revenue from Related Parties $ 283,000 $ 545,000 $ 1,618,000 $ 2,330,000  
Related Party Transaction, Due from (to) Related Party 312,000   312,000   323,000
Related Party Transaction, Purchases from Related Party 933,000 940,000 4,800,000 3,800,000  
Accounts Payable, Related Parties 191,000   191,000   776,000
Beachside [Member]
         
Revenue from Related Parties $ 334,000 $ 698,000 $ 2,000,000 $ 2,800,000