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Line of Credit (Detail) - USD ($)
May. 29, 2015
May. 30, 2014
Debt Disclosure [Abstract]    
Line-of-credit agreement, maximum borrowing capacity $ 3,000,000 $ 3,000,000
Line-of-credit, outstanding debt $ 2,823,477 $ 2,528,511
Line-of-credit, interest rate 3.25% 3.25%
Line-of-credit, available credit $ 176,523 $ 471,489