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Note 9 - Related Party (Details) (Windset [Member], USD $)
3 Months Ended
Aug. 31, 2014
Aug. 25, 2013
May 25, 2014
Note 9 - Related Party (Details) [Line Items]      
Revenue from Related Parties $ 34,000 $ 32,000  
Related Party Transaction, Due from (to) Related Party 338,000   304,000
Accounts Payable, Related Parties 167,000   134,000
Cost of Sales [Member]
     
Note 9 - Related Party (Details) [Line Items]      
Related Party Transaction, Purchases from Related Party $ 411,000 $ 364,000