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Note 1 - Organization, Basis of Presentation and Summary of Significant Accounting Policies (Details) - Components of Inventories (USD $)
In Thousands, unless otherwise specified
May 26, 2013
May 27, 2012
Components of Inventories [Abstract]    
Finished goods $ 11,297 $ 9,406
Raw materials 9,290 9,876
Work in progress 3,526 2,729
Inventories, net $ 24,113 $ 22,011